Complimentary delivery and 100 day returns.

Karlsson Tee - Optic White / Yale Navy

Presenting the Karlsson Tee, our most advanced training top to date, borne out of fundamental performance values that underpin the Castore brand. Built to endure, the unique carbon thread composition provides unparalleled fabric strength, four way stretch and super lightweight feel. Performance is truly limitless in the Karlsson Tee



Carbon Thread

Incorporating a unique NTPT carbon filament, infused into the ultra lightweight mesh that delivers durability and comfort against the skin.


Antimicrobial Silver infused into the fabric thread ensures complete protection against sweat induced odours.

Rapid Dry

Premium polyamide elastane fabric, with moisture wicking properties to ensure full breathability and rapid drying properties to counteract intense sweat.

The best sportswear in the world right now

Mens Health

Customer Reviews

Open demo