During cool, sunny days or foul weather stays, the Patagonia Slingshot Down Vest for Men keeps your core warm and the arms free to make another move. This vest is designed with a windproof, 100% polyester variegated ripstop shell, and is insulated with toasty 600-fill premium goose down. Layered under a shell jacket,the Slingshot Down Vest radiates like a furnace for exceptional core warmth when the temps takes a dive. The shell fabric offers a cross-hatch texture that adds a soft, cottony feel; and features a smooth polyester lining for a supple, snag-free glide. With snap front closure and brushed polyester neck lining, two handwarmer pockets and an internal zippered security pocket hold your valuables. Stuff sack included.