Exclusively for Ultimate Performance

Ultimate Performance have partnered with Castore Sportswear to offer you the world's most advanced performance sportswear.

Enter this discount code at checkout: UP20

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Oracle Red Bull Racing Men's Official Teamline Full Zip Hoodie - Night Sky
£100.00
Size

Whether you’re in the stands or the driver’s seat, this Men’s Full Zip Hoodie will keep you comfortable all day. Engineered from woven, soft-stretch fabric for a streamlined fit and feel, with the Oracle Red Bull Racing 20th-anniversary special logo at the back, it’s a true badge of honour for fans.

  • 78% cotton, 18% polyester, 4% elastane
  • Woven, soft-stretch fabric
  • Two-piece hood
  • Set-in long sleeves
  • Centre front full zip
  • Side pockets
  • Screen-printed graphic at back
  • Branding at chest, arms, and back
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Oracle Red Bull Racing Junior Official Teamline Pullover Hoodie - Night Sky
£70.00
Size

A dynamic tribute to Oracle Red Bull Racing’s 20th anniversary, this Junior’s Long Sleeve Pullover Hoodie embodies the spirit of high-speed living. Crafted from a smooth and soft cotton blend with a sleek and smooth design, this Hoodie keeps you comfortable and streamlined when you’re in the driver’s seat.

  • 78% cotton, 18% polyester, 4% elastane
  • Woven, soft-stretch fabric
  • Two-piece hood
  • Set-in long sleeves
  • Screen-printed graphic at back
  • Branding at chest, arms, and back
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Men’s AMC Short Sleeve Aeromesh T-Shirt – Peach Clay
£48.00
Size

Features:

  • Breathable, sweat-wicking fabric
  • Crew neckline
  • Raglan short sleeves
  • Multi-function cuff with engineered tipping
  • Airex engineered in key sweat zones to increase breathability 
  • In-seam print for clean flashes of contrast colour 
  • Stacked logo application for subtle multi-colour finish 

The Men’s Aeromesh T-Shirt serves as a reminder that you’re not just hitting your goals but surpassing them with effortless style. Featuring raglan short sleeves and Airex engineering, you’ll move with agility on the court. Sweat-wicking fabric ensures breathability to stay fresh throughout the match. 

Style Code: AMC30754
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Unisex Reiss Performance Cap - Rust
£38.00
Size

Features:

  • Adjustable straps
  • Internal sweat-wicking band
  • Embroidered eyelets provide ventilation
  • Woven tab at the rear
  • Branded binding on the internals

Our Unisex Reiss Performance Cap is designed for a slick, contemporary aesthetic. Engineered with sweat-wicking fabric and embroidered eyelets for added ventilation, you’ll be able to stay cool and comfortable as you train.

Style Code: CAC90802.B

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England Cricket 23/24 Christmas Jumper
£45.00
Size

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Harlequins Women's 23/24 Pro Pride Shorts
£60.00 £18.00
Size
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Harlequins Women's 23/24 Replica Pride Shirt
£70.00 £35.00
Size
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Harlequins Youth 23/24 Replica Pride Shirt
£55.00 £27.50
Size
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Harlequins Men's 23/24 Replica Pride Shirt
£70.00 £21.00
Size
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Youth 23/24 Replica Pride Shorts
£30.00 £9.00
Size
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Harlequins Men's 23/24 Pro Pride Shirt
£110.00 £55.00
Size
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Men's Scuba Hoodie - Black
£65.00
Size

Features:  

  • Quick-drying, compact technical scuba material 
  • Clear and bold branding at front and left hand and sleeve
  • Oversized pocket at front for added convenience
  • Drawstring hood for protection from the elements
  • Regular fit: for a comfortable, classic look

Designed for high performance post-training, this Scuba Hoodie is made from our iconic fast-drying scuba fabric. Its soft, light and stretchy qualities offer a relaxing feel, with a cut specifically engineered for the recovery process. 

Best for active rest days.

Style Code: CM0541 

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White Boxer Shorts - 3 Pack
£35.00
Size
*please note that this product can't be returned unless it's faulty.
  • High Stretch
  • Supremely Soft Touch
  • Elasticated Waistband
  • Lightweight

Next level underwear that offers unmatched comfort. An essential crafted from a supremely soft, high-stretch fabric with an elasticated waistband to alleviate chafe and provide unparalleled ease of movement.

Style Code: CM0166.1

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Reiss Beanie
£40.00
Size

Features: 

  • Knit, moisture-wicking fabric
  • Foldover beanie design
  • Silicon Reiss/Castore badge at front cuff

Our Unisex Reiss Logan Beanie is technically engineered with knit, moisture-wicking fabric to provide both thermal protection and dry comfort. Essential all-day outdoor headwear for a dynamic hybrid lifestyle.

Style Code: CUA90126

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Harlequins Women's 23/24 Pro Big Game Shirt
£110.00 £33.00
Size

Features: 

  • Crew neckline
  • Raglan short sleeves
  • Underarm and side panels
  • Twin needle cover stitch at hem and cuff
  • GPS pouch
  • Silicone gripper to chest
  • Contrast colour front body
  • Club crest at left of chest 
  • Castore branding at right of chest

With a distinctive screen-printed graphic to the body that reimagines the Quins crest, you’re sure to catch the attention of fellow fans and players.

Style Code: TF2999

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Harlequins Women's 23/24 Big Game Shirt
£70.00 £35.00
Size

Features: 

  • Crew neckline
  • Raglan short sleeves
  • Underarm and side panels
  • Twin needle cover stitch at hem and cuff
  • GPS pouch
  • Silicone gripper to chest
  • Contrast colour front body
  • Club crest at left of chest 
  • Castore branding at right of chest

Share your team’s glory in this Women’s Harlequins Big Game Shirt. With a distinctive screen-printed graphic to the body that reimagines the Quins crest, you’re sure to catch the attention of fellow fans and players.

Style Code: TF3000

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Harlequins Women's 23/24 Big Game Shorts
£60.00 £18.00
Size

Features: 

  • Lightly elasticated waistband with internal drawcord 
  • Twin needle cover stitch at hem
  • Printed side panel
  • Club crest and Castore branding at back

Channel your team’s glory with the Women’s Harlequins Big Game Shorts. Pair with a matching Big Game Shirt and Socks for the complete kit or as a standalone piece to show your Quins pride.

Style Code: TF2987

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Harlequins Men's 23/24 Big Game Shirt
£70.00 £35.00
Size

Features:

  • Crew neckline
  • Raglan short sleeves
  • Underarm and side panels
  • Twin needle cover stitch at hem and cuff
  • GPS pouch
  • Silicone gripper to chest
  • Contrast colour front body
  • Club crest at left of chest 
  • Castore branding at right of chest


Stand out from the crowd in this Men’s Harlequins Big Game Shirt. With a distinctive screen-printed graphic to the body that reimagines the Quins crest, you’re sure to catch the attention of fellow fans and players.

Style Code: TM3000

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Harlequins Youth 23/24 Big Game Shorts
£30.00 £15.00
Size

Features: 

  • Lightly elasticated waistband with internal drawcord 
  • Twin needle cover stitch at hem
  • Printed side panel
  • Club crest and Castore branding at back


Don the look of the pros with the Youth Harlequins Big Game Shorts. Pair with a matching Big Game Shirt and Socks for the complete kit or as a standalone piece to show your Quins pride.

Style Code: TJ2988

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Harlequins Men's 23/24 Big Game Shorts
£60.00 £30.00
Size

Features: 

  • Lightly elasticated waistband with internal drawcord 
  • Twin needle cover stitch at hem
  • Printed side panel
  • Club crest and Castore branding at back


Enhance your performance with the Men’s Harlequins Big Game Shorts. Pair with a matching Third Shirt and Socks for the complete kit or keep as a standalone piece to show your Quins pride.

Style Code: TM2987

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Harlequins Men's 23/24 Pro Big Game Shirt
£110.00 £55.00
Size
Features:
  • Crew neckline
  • Raglan short sleeves
  • Underarm and side panels
  • Twin needle cover stitch at hem and cuff
  • GPS pouch
  • Silicone gripper to chest
  • Contrast colour front body
  • Club crest at left of chest 
  • Castore branding at right of chest

With a distinctive screen-printed graphic to the body that reimagines the Quins crest, you’re sure to catch the attention of fellow fans and players.

Style Code: TM2999

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Washbag - Black
£30.00
Size

Features:

  • 100% polyester
  • Grab handle
  • Internal lining for easy clean 

Store all your essentials in this perfectly sized Active Wash Bag from our Accessories All Round Active collection. Big enough to hold everything you need and small enough to carry on the go – with a grab handle for added functionality – it’s the best way to stay fresh and organised. 

Style Code: CAB80631

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Men’s Flow Short Sleeve Panel T-Shirt - Bright Green
£45.00
Size

Features:

  • 88% polyester, 12% elastane
  • Lightweight, quick-drying fabric
  • Short raglan sleeves
  • Reflective detailing


Move with dynamism with our Men’s Flow Panel T-Shirt. The short raglan sleeves provide freedom of movement to perform without limits, while mesh ventilation ensures breathability as you strive to be better.

Style Code: CMB30657

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Cushioned Ankle Socks 3 Pack - White
£12.00
Size

Features:

  • 69% cotton, 27% polyester, 4% elastane
  • Rib elastication
  • Reinforced heel and toe
  • Terry towelling
  • Knitted branding

Push yourself with every step in these Cushioned Ankle Socks (Pack of 3) from our Accessories Core collection. The ribbed elastication ensures a secure fit, while the cushioned heel and toe combine with terry towelling to provide unmatched comfort. Take charge of your sporting style and unleash your fearless stride.

Style Code: CAB60393

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Cushioned Crew Socks 3 Pack - White
£15.00
Size

Features:

  • 69% cotton, 27% polyester, 4% elastane
  • Rib elastication
  • Reinforced heel and toe
  • Terry towelling
  • Knitted branding


Conquer every step in style with these Cushioned Crew Socks – a staple from our Accessories Core collection. The rib elastication ensures a secure fit, while the cushioned heel and toe combine with terry towelling provide unmatched comfort. Take charge of your sporting style and unleash your fearless stride.

Style Code: CAB60394

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Lightweight Active Cap - Black
£30.00
Size

Features:

  • 100% polyamide
  • Adjustable strap 
  • Embroidered eyelets 
  • Internal sweat-wicking band
  • Reflective detailing

Elevate your on-the-go style with this breathable, moisture-wicking Active Cap, a casual staple from our Accessories All Round Active collection. Featuring silver reflective taping, this Cap keeps you visible even in the darkest hours of your workouts – encouraging you to keep pushing forward.

Style Code: CAB90344

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Lightweight Active Cap - Navy
£30.00
Size

Features:

  • 100% polyamide
  • Adjustable strap 
  • Embroidered eyelets 
  • Internal sweat-wicking band
  • Reflective detailing

Elevate your on-the-go style with this breathable, moisture-wicking Active Cap, a casual staple from our Accessories All Round Active collection. Featuring silver reflective taping, this Cap keeps you visible even in the darkest hours of your workouts – encouraging you to keep pushing forward.

Style Code: CAB90344

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AMC Men's Technical Polo - White/Navy
£60.00
Size

Features: 

  • Lightweight, quick-drying pique fabric 
  • Ribbed neck and cuff
  • Short sleeve
  • Ergonomic panelling 
  • Two-button placket

Look and feel the part as you make your mark on the tennis court with the official AMC Men’s Technical Polo, designed with a lightweight and quick-drying pique fabric. Specialist ergonomic panels allow complete freedom of movement, so you never miss a serve.

Style Code: AMA30196

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Unisex Trail Running Cap – Black
£30.00
Size

Features: 

  • Perforated side panels
  • Mesh sweatband on inside of cap edge
  • Bungee cord feature at back of cap for adjustability
  • Contrast colour sandwiched in the peak
  • Print in high-build at front

Upgrade your trail running experience with the Unisex Trail Running Cap. Complete with perforated side panels for maximum breathability, plus a mesh sweatband on the inner edge, this Trail Running Cap ensures you stay cool and feel refreshed.

Style Code: CU0694

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Men’s AMC Short Sleeve Core T-Shirt – White
£38.00
Size

Features:

  • 82% polyester, 18% elastane
  • High-stretch, breathable jersey fabric
  • Crew neckline
  • Set-in short sleeves
  • Castore and AMC branding at right leg

This Men’s Core T-Shirt from our AMC range is your dependable companion on your path toward greatness. Wrapped in this super-soft, highly functional fabric, you become the epitome of strength and determination – refusing to settle for anything less than extraordinary.

Style Code: AMB30612

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Men’s AMC Short Sleeve Performance T Shirt – White
£70.00
Size

Features:

  • 82% polyester, 18% elastane
  • High-stretch, breathable fabric
  • Crew neckline
  • Raglan short sleeves
  • Mesh ventilation panels at front and back
  • Castore and AMC branding at right leg

Dress to best your goals in the Men’s Performance T Shirt from our AMC collection. Crafted with the bold and determined athlete in mind, this T Shirt acts as armour as you push your boundaries on the field, pitch, or court. High-tech ventilation panels provide optimum breathability, while a raglan sleeve offers full freedom of movement.

Style Code: AMB30611

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Men’s AMC Long Sleeve Core Quarter Zip Top – Clay Blue
£60.00
Size

Features:

  • 90% polyester, 10% elastane
  • High-stretch, breathable fabric
  • Funnel neckline
  • Set-in long sleeves
  • Ergonomic seam placement 
  • Castore branding at left chest
  • AMC branding at back


This Men’s Core Quarter Zip Top from our AMC collection ensures you never settle for less than extraordinary. Designed at the intersection of sporting excellence and style, this workout wardrobe staple is cut from high-stretch performance fabric – with strategically placed seam lines for full freedom of movement.

Styles Code: AMB40607

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Men’s Hooded Puffer Jacket – Mushroom
£135.00
Size

Features: 

  • 100% polyamide
  • Packable
  • Set-in long sleeves
  • Adjustable hem
  • Midweight padded panels
  • Fleece lining
  • Zipped side pockets and internal chest pocket
  • Hanging loop
  • Castore branding at left chest

Embrace the elements with a Midweight Puffer Hooded Jacket that provides warmth and comfort. Engineered with padded panelling and a fleece lining, this Men’s Puffer Jacket provides protection to continue moving even when the temperature drops. A packable hood offers a tailored fit.

Style Code: CMB50470

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Men's Short Sleeve Graphic Raglan T-Shirt - Gunmetal
£32.00
Size

Features:

  • Self-fabric collar at neck
  • Raglan sleeve 
  • Clear and bold branding 

Look and feel the part when hitting the gym in our Short Sleeve Raglan Tee. Featuring the iconic Castore branding on the chest and sleeve, you’ll look the height of style. And with raglan sleeve construction, you can enjoy an unlimited range of movement during every indoor workout.

Style Code: CMA30868

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Men's Short Sleeve Graphic Raglan T-Shirt - Ultra Blue
£32.00
Size

Features:

  • Self-fabric collar at neck
  • Raglan sleeve 
  • Clear and bold branding 

Look and feel the part when hitting the gym in our Short Sleeve Graphic Raglan T-Shirt. Featuring the iconic Castore branding on the chest and sleeve, you’ll look the height of style. And with raglan sleeve construction, you can enjoy an unlimited range of movement during every indoor workout.

Style Code: CMA30868

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Men's Short Sleeve Graphic Raglan T-Shirt - Black
£32.00
Size

Features:

  • Self-fabric collar at neck
  • Raglan sleeve 
  • Clear and bold branding 

Look and feel the part when hitting the gym in our Short Sleeve Graphic Raglan T-Shirt. Featuring the iconic Castore branding on the chest and sleeve, you’ll look the height of style. And with raglan sleeve construction, you can enjoy an unlimited range of movement during every indoor workout.

Style Code: CMA30868

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Men's Golf Long Sleeve Mock Neck Base Layer - White
£42.00
Size

Features: 

  • 57% polyamide, 43% elastane
  • High-stretch, peached fabric
  • Mock neckline
  • Raglan long sleeves
  • Castore branding on the collar and left sleeve

Our Men’s Golf Long Sleeve Mock Neck Base Layer is technically engineered with peached fabric to keep your core comfortable during and between holes. Crafted with raglan shaping for unrestricted mobility when you swing, this piece is the ideal base layer for long days out on the course.

Best for Golf.

Style Code: CMB30534

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Men’s Scuba Program Long Sleeve Aeroscuba 1/4 Zip Funnel Top – Mushroom
£65.00
Size

Features: 

  • 90% polyester, 10% elastane
  • Funnel neckline 
  • High-stretch, quick-drying fabric
  • Aerated scuba material for enhanced breathability 
  • Raglan long sleeves for enhanced freedom of movement 
  • Centre front quarter zip for increased temperature regulation
  • Castore branding at left chest

Our Men’s Aeroscuba Quarter Zip Funnel Top is a supportive and comfortable piece to enhance performance. The aerated scuba material and adjustable quarter zip keep you feeling fresh as you aim for better. Raglan long sleeves and a high-stretch design ensure unrestricted movement so you can push yourself further with every workout.

Built for your active rest day. 

Style Code: CMB40425

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Men’s Long Sleeve Aeroscuba Zip-Through Hoodie – Navy
£75.00
Size

Features: 

  • 90% polyester, 10% elastane
  • High-stretch, quick-drying fabric
  • Aerated scuba material
  • Adjustable hood opening
  • Raglan long sleeves
  • Centre front full zip
  • Open side pockets
  • Castore branding at left chest

Crafted from technical aerated scuba material for superior comfort and breathability, this Men’s Aeroscuba Zip-Through Hoodie is the ideal post-workout piece. Recover quickly and get ready to go again with its high-stretch, quick-drying fabric – keeping you active even on your rest days.

Style Code: CMB40424

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Men's Active Hybrid Joggers - Black
£60.00
Size

Features: 

  • Moisture-wicking fabric 
  • Adjustable waistband with drawcord for increased comfort
  • Concealed zipped side pockets for added convenience 
  • Reflective detailing at back seam
  • Castore branding at right leg

These Men’s Active Hybrid Joggers combine moisture-wicking breathability with superior support to ensure comfort before, during, and after every workout. The adjustable waistband provides a secure fit, while the concealed zipped side pockets offer convenience as you push for more.

Style Code: CMB10448

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Men's Active Lightweight Zip Through Jacket - Blue
£95.00
Size

Features:

  • 100% polyester
  • High-stretch, quick-drying fabric
  • Three-piece hood
  • Set-in long sleeves
  • Adjustable toggles at hem
  • Back ventilation for improved breathability
  • Centre front full zip
  • Zipped side pockets
  • Reflective detailing
  • Castore branding at left chest

Crafted with high-stretch, quick-drying fabric for enhanced performance in the elements, this Men’s Active Lightweight Zip-Through Jacket is a sleek and practical wardrobe addition. The adjustable toggles at the hem, zipped side pockets, and three-piece hood provide all-weather protection to keep pushing yourself come rain or shine. Plus, the reflective detailing ensures you don’t have to stop moving when the evening draws in.

Style Code: CMB50390

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Men’s Adapt Long Sleeve Standard Quarter Zip Top - Navy
£50.00
Size

Features: 

  • 79% polyester, 21% elastane
  • Funnel neckline
  • Cubed fleece back
  • Raglan long sleeves 
  • Centre front quarter zip
  • Castore branding at left chest

Sport a refined, classic look in our Men’s Long Sleeve Standard Quarter Zip Top. Cubed fleece fabric offers both warmth and breathability, while the quarter zip style provides custom temperature regulation to help you to stay fresh as you push the intensity. Engineered with raglan sleeves for improved mobility, this Quarter Zip is ideal for cross-functional training.

Style Code: CMA30143

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Men’s Zone Lightweight Ventilated (6”) Training Shorts - Midnight Navy
£65.00
Size

Features: 

  • 87% polyamide, 13% elastane
  • Lightweight, quick-drying fabric
  • Lightly elasticated waistband and drawcord
  • Laser-cut ventilation
  • Reflective detailing
  • Castore branding at right leg

The Men’s Zone Lightweight Ventilated (6”) Training Shorts are complete with reflective detailing for enhanced visibility for after-dark workouts. Laser-cut ventilation ensures breathability, keeping you fresh during lower-intensity sessions.

Style Code: CMB20522

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Men’s Zone Ventilated Training T-Shirt - White
£70.00
Size

Features: 

  • 85% polyamide, 15% elastane
  • High-stretch, quick-drying fabric
  • Crew neckline
  • Set-in short sleeves
  • Laser-cut ventilation
  • Reflective detailing
  • Castore branding at chest and sleeves

Train like a champion in this Men’s Zone Ventilated Training T-Shirt. Crafted with high-stretch, quick-drying fabric, ideal for intense workouts and reflective detailing to keep you moving in lower visibility. Finished with laser-cut ventilation panels to stay cool as you push your limits.

Style Code: CMB30501

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Men’s Zone Hybrid Jacket - Black
£145.00
Size

Features: 

  • 100% polyester
  • High-stretch, water-resistant fabric 
  • Padded panels
  • Funnel neckline 
  • Raglan long sleeves
  • Centre front full zip
  • Zipped pocket
  • Reflective detailing 
  • Castore branding at collar and sleeve

Push for better in the elements with the Men’s Zone Hybrid Jacket. Reflective detailing ensures you can continue in low visibility and padded panels provide added warmth – so nothing stops you from performing. Complete with a dynamic screen-printed graphic on a high-stretch fabric, to ensure that you’ll stand out, whatever the weather.

Style Code: CMB50520

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Men’s Active Short Sleeve Performance T-Shirt - White
£45.00
Size

Features: 

  • Cooltek moisture-wicking finish 
  • Mesh back panel
  • Crew neckline
  • Raglan short sleeves 
  • Side hem seam opening
  • Reflective detailing at hem
  • Castore branding at left chest

Make your impact with this Men’s Performance Short Sleeve T Shirt. Strategically placed side seam openings and a mesh back panel provide enhanced airflow to keep you feeling fresh in the toughest sessions – and engineered with Cooltek moisture-wicking technology. The raglan short sleeves ensure an increased ease of movement, while reflective detailing allows for continued effort in low-level visibility.

Style Code: CMB30383

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Men’s Active Breathable Woven Shorts - Black
£45.00
Size

Features:

  • 87% polyamide, 13% elastane
  • Lightweight, quick-drying fabric
  • Lightly elasticated waistband with drawcord
  • Mesh ventilation for improved breathability
  • Reflective detailing
  • Castore branding at right leg

Discover what you’re capable of with the Men’s Active Woven Shorts. Built with an elasticated waistband and internal drawcord for an adjustable fit, you’ll move with ease and security – to keep pushing your limits. The mesh ventilation ensures breathability for more intense workouts, while the reflective detailing means you can keep going in low-level visibility.

Style Code: CMB20388

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Men's Active Lightweight Woven Jacket - Light Steel
£90.00
Size

Features:

  • 87% polyamide, 13% elastane
  • Lightweight, quick-drying fabric
  • Adjustable hood with drawcord
  • Raglan long sleeves
  • Mesh lining for ventilation
  • Lightly elasticated hem
  • Centre front full zip
  • Zipped side pockets to provide storage for personal items
  • Reflective detailing
  • Castore branding at left chest

Recover to go again with the Men’s Active Lightweight Woven Jacket. Complete with an adjustable hood opening and quick-drying fabric, it’s carefully engineered to protect you from the elements after your workout.

Style Code: CMB50682