Knox Dual Active Men’s Base Layer – Black Size:XXL Output: 5W

Output: 5W

COOLMAX® Polyester

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

This makes it perfectly comfortable to wear all day

It's not just a helmet

Knox Dual Active Men’s Base Layer – Black Size:XXL Output: 5WThe 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