Made from a 4-Way Durable Stretch Weave treated with a Durable Water Repellent finish, this mid-layer is designed to move with you. This perfect mid layer is made of Premium 3-Ply Micro Denier fabrication at front, upper sleeves, collar and chest pockets. It features Premium 4-way stretch, water resistant PrimaLoft Gold Insulation Active and a hidden snap front closure.