Knox Dual Active Men’s Base Layer – Black Size:XXL External mesh water bottle pocket

External mesh water bottle pocket for easy access

COOLMAX® Polyester

It’s just as protective as it is versatile and has Class AA Approval

Easy Connect Plug

and features X-Flow mesh panels at the front and rear

Knox Dual Active Men’s Base Layer – Black Size:XXL External mesh water bottle pocketThe Knox Dual Active Base Layer forms the foundation of the Seasonless Collection, engineered as the first layer worn next to the skin. Designed for year round performance, it delivers a precision fit, lasting comfort, and advanced moisture control. Intended to be worn beneath a Knox armoured shirt, it prevents stickiness and discomfort in the heat, while its versatile design makes it equally suited to other active sports. Reinvented for 2026, the