Men's Training

Gym clothes engineered to elevate your performance during every workout. From high-intensity weight training, to slow and steady mobility, Castore’s Training Collection is designed to move with you through every form of training session. From gym joggers and hoodies to training shorts and quarter zip gym tops, here you will find everything needed to step up to the plate this season and beyond.

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Men’s Apex Lightweight 2-In-1 Shorts - Ultra Blue/Navy
£50.00 £35.00
Size

Features: 

  • 87% polyamide, 13% elastane
  • Lightweight, quick-drying fabric 
  • High-stretch inner knit short
  • Adjustable waistband with drawcord
  • Key pocket at back yoke
  • Reflective detailing
  • Castore branding at right leg

Stay light on your feet and ready to push your outdoor training in our Men’s Lightweight 2-In-1 Shorts – engineered with quick-drying fabric and a high-stretch inner knit short for breathability and mobility in cool weather. Plus, store small items securely in the convenient key pocket below the rear waistband. 

Style Code: CMB20412

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Men’s Apex Lightweight 2-In-1 Shorts – Navy
£50.00 £35.00
Size

Features: 

  • 87% polyamide, 13% elastane
  • Lightweight, quick-drying fabric 
  • High-stretch inner knit short
  • Adjustable waistband with drawcord
  • Key pocket at back yoke
  • Reflective detailing
  • Castore branding at right leg

Stay light on your feet and ready to push your outdoor training in our Men’s Lightweight 2-In-1 Shorts – engineered with quick-drying fabric and a high-stretch inner knit short for breathability and mobility in cool weather. Plus, store small items securely in the convenient key pocket below the rear waistband. 

Style Code: CMB20412

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Black Classic 6" Knitted Shorts
£32.00 £22.00
Size

Features: 

  • Breathable fabric 
  • Lightly elasticated waistband with drawcord
  • Open side pockets 
  • Contrast branding 


Description: Put style first with the 6” Knitted Short – the ideal choice for a fitness fanatic’s indoor training wardrobe. We’ve added open pockets and a lightly elasticated hem with woven drawcords for comfort and convenience.

Style Code: CMA20066

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Peacoat 6" Knitted Shorts
£32.00 £22.00
Size

Features: 

  • Breathable fabric 
  • Lightly elasticated waistband with drawcord
  • Open side pockets 
  • Contrast branding 


Description: Put style first with the 6” Knitted Short – the ideal choice for a fitness fanatic’s indoor training wardrobe. We’ve added open pockets and a lightly elasticated hem with woven drawcords for comfort and convenience.

Style Code: CMA20066

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Men’s Flow Breathable Woven Shorts - Olive
£45.00
Size

Features: 

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

Discover what you’re capable of with the Men’s Flow 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. 

Style Code: CMB20388
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Men’s Flow Lightweight Woven Shorts - Black/Bright Green
£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

Engineered with lightweight, quick-drying fabric for improved performance, these Men’s Flow Woven Shorts are designed with a little more stretch so you can rise above your limits. Complete with reflective detailing and Castore branding for a sleek finish. 

Style Code: CMB20388

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Men’s Flow 2-in-1 Shorts - Black
£50.00
Size

Features: 

  • 2-in-1 short for extra coverage and support 
  • Lightweight, quick-drying fabric 
  • Aertek technology for enhanced sweat-wicking on inner short
  • Water-resistant Protek technology on outer shell short
  • Adjustable waistband with drawcord
  • Shell fabric towel loop 
  • Zipped pocket at side seam and slide-in pocket at under-short
  • Castore branding at right leg

Designed for optimum performance in the gym, the Men’s Flow 2-in-1 Shorts provide extra coverage and support to push yourself without compromising agility. Engineered with water-resistant Protek technology and Aertek for enhanced sweat-wicking, you’ll stay fresh throughout your training session. Finished with a shell fabric towel loop and pockets for added convenience. 

Style Code: CMC20730

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Men’s Light Breathable Woven Shorts - Mushroom Grey
£45.00 £31.00
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 Light 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 Light Breathable Woven Shorts - Black/Silver
£45.00 £31.00
Size

Features: 

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


Prepare to move late in the evening or beat your PB early in the morning with the Men’s Light Woven Shorts. Featuring reflective detailing for enhanced visibility at night and aerated fabric for added ventilation, these Woven Shorts are engineered for athletes who push themselves no matter the hour of the day.

Style Code: CMB20388

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Men’s Apex 6” Woven Shorts - Black
£48.00
Size

Features: 

  • Lightweight, quick-drying fabric 
  • Water-resistant Protek technology
  • Jacquard jersey side panels
  • Side hem seam opening for freedom of movement 
  • Concealed zipped side pockets for storage
  • Reflective Castore branding 

Move with purpose in these Men’s 6” Woven Shorts. Designed to support every movement, these Woven Shorts are built with jacquard jersey side panels and a side hem seam opening for enhanced agility. Finished with water-resistant Protek technology for added protection from the elements. 

Best for High-impact training

Style Code: CMC20719

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Men’s Active Woven Shorts - Midnight Navy
£45.00
Size

Features: 

  • Water-resistant Protek technology
  • Mesh back yoke panel for breathability 
  • Elastic waistband with adjustable drawcord
  • Reflective detailing at waist
  • Castore branding at right leg

Discover what you are capable of in the Men’s Woven 7” Shorts. Engineered with water-resistant Protek technology, you won’t let the elements stop you from pushing your limits. Complete with a mesh yoke panel in key sweat zones to ensure enhanced breathability, while the elastic waistband offers a tailored fit for ultimate comfort and security. Reflective detailing at the back waist keeps you visible in low-level lighting.

Style Code: CMB20388

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Men’s Active Woven Shorts - Green
£45.00
Size

Features: 

  • Water-resistant Protek technology
  • Mesh back yoke panel for breathability 
  • Elastic waistband with adjustable drawcord
  • Reflective detailing at waist
  • Castore branding at right leg

Discover what you are capable of in the Men’s Woven 7” Shorts. Engineered with water-resistant Protek technology, you won’t let the elements stop you from pushing your limits. Complete with a mesh yoke panel in key sweat zones to ensure enhanced breathability, while the elastic waistband offers a tailored fit for ultimate comfort and security. Reflective detailing at the back waist keeps you visible in low-level lighting.

Style Code: CMB20388

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Men’s Apex 6” Woven Shorts - Gunmetal
£48.00
Size

Features: 

  • Lightweight, quick-drying fabric 
  • Water-resistant Protek technology
  • Jacquard jersey side panels
  • Side hem seam opening for freedom of movement 
  • Concealed zipped side pockets for storage
  • Reflective Castore branding 

Move with purpose in these Men’s 6” Woven Shorts. Designed to support every movement, these Woven Shorts are built with jacquard jersey side panels and a side hem seam opening for enhanced agility. Finished with water-resistant Protek technology for added protection from the elements. 

Best for High-impact training

Style Code: CMC20719

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

Features: 

  • Lightweight, high-stretch fabric
  • Water-resistant Protek technology
  • Adjustable waistband with drawcords for added comfort 
  • Laser-cut ventilation for breathability 
  • Halo eyelets for enhanced airflow
  • Side hem seam opening with bonded finish
  • Concealed zipped side pockets for added convenience 
  • Reflective Castore branding

The Ventilation 6” Training Shorts are made to enhance airflow so you can move without distraction. The laser-cut ventilation, side seam opening, and halo eyelets provide breathability throughout, while the bonded finish reduces the overall weight. Complete with water-resistant Protek technology to protect from wind, rain, and colder temperatures.

Best for Medium-impact training.

Style Code: CMB20522

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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 Ventilation 6” Training Shorts - Peach Clay
£65.00
Size

Features: 

  • Lightweight, high-stretch fabric
  • Water-resistant Protek technology
  • Adjustable waistband with drawcords for added comfort 
  • Laser-cut ventilation for breathability 
  • Halo eyelets for enhanced airflow
  • Side hem seam opening with bonded finish
  • Concealed zipped side pockets for added convenience 
  • Reflective Castore branding

The Ventilation 6” Training Shorts are made to enhance airflow so you can move without distraction. The laser-cut ventilation, side seam opening, and halo eyelets provide breathability throughout, while the bonded finish reduces the overall weight. Complete with water-resistant Protek technology to protect from wind, rain, and colder temperatures.

Best for Medium-impact training.

Style Code: CMB20522