An insulated piece for wearing in colder conditions. Comfortable cut, stretch panel under sleeves and on the back, two zippered hand warming pockets, one zippered pocket on the back, and internal media pocket. The compact synthetic insulation keeps you warm on the run. Our favorite style because "it feels perfect". Fabric: 100% Nylon 20D full dull waterproof finish Stretch (93% Polyester, 7% Spandex) compact insulation needle punch 100g