Micro-Elite Chamois gussets under arms and at cuffs for a closer fit and increased performance; Extended cuffs with thumb holes; Zip pocket on the chest; Zip through collar with interior wind flap for ultimate warmth; Micro-denier polyester fibers for lighter weight, luxurious drape, breathability, and durability; MTF polyester moisture transfer fibers for increased moisture management; UPF 40 protection; Mountain weight, active fit