The Next Generation of Base Layers Crafts Active Extreme 2.0 Brilliant Long Sleeve Base Layer is the next generation of highly functional base layer that allows athletes to perform optimally in fair & cold conditions. It is made from a double-layer fabric featuring Cool Max Air, a high-performance fibre with propeller-shaped micro-channel cross-sections that provide excellent moisture management & breathability for superior performance & comfort. Developed for devoted athletes. Active Extreme 2.0 The world’s most advanced base layer once again ups the ante. Engineered to make athletes lighter, faster & better, Active Extreme 2.0 is made from a double-layer fabric featuring Cool Max Air. This exceptional high-tech fabric weighs in at a mere 100 gsm, making the new collection 30 gsm lighter than its predecessor. True to the Active Extreme legacy, the 2.0 comes with technical features such as ergonomic fit & mesh-panels with big holes ensuring total freedom of movement & excellent ventilation. The BE ACTIVE Range BE ACTIVE is a versatile base layer collection that creates an optimal microclimate for endurance in fair & cold conditions. The garments are made from highly functional fabrics that offer moisture transport & body-temperature management at the highest level. Having been tested & proven since the mid 1970s by athletes across the world – at World Championships & countless of other international first-class competitions – BE ACTIVE is probably one of the most successful base layer collections in the world.