Knox Dual Active Men’s Base Layer – Black Size:S 400 Lumens Per Pair –

400 Lumens Per Pair – Top-bin CREE LEDs driven at 8 watts each deliver a remarkably powerful beam in a beefy 9-LED square package

The clamps are also perfectly sized to fit frame down-tubes to achieve a clean

Recommended for use on all gloss finishes

Internal hydration bladder compartment w/ internal hose routing options (compatible with 2L and 3L Hydrapak® sold separately)

and after a one-time setup

Knox Dual Active Men’s Base Layer – Black Size:S 400 Lumens Per Pair –The 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