Ideal for cooler temperatures for 20 below . A unique woven dual layer places a smooth and soft fabric against the skin while the external layer acts to rapidly evaporate moisture. In colder conditions, the inner layer provides warmth. The exterior layer also provides mild compression properties keeping muscles supported under extreme conditions. Anatomically cut with excellent stretch properties that conforms to your body for supreme comfort on the bike. Soft open weave cuffs for the neck and sleeves are irritant free.