Fit and Design: Standard fit running vest Delivers a relaxed, easy feel Warm knit fabric is placed at the shoulders and front pockets for extra coziness Packs into itself for easy carrying when you need to layer down Thin neck collar feels smooth against your skin Zippered pockets help secure your small items Technology: Therma-FIT technology combines heat-regulating fabric with advanced engineering and features to help keep you warm in cold-weather conditions Down feather insulation in the front and back panels supply extra warmth on chilly runs Durable water-repellent finish helps prevent the feathers from clumping together Additional Details: Care: Machine wash