The Quilted Primaloft Vest offers the ultimate in warmth & moveability thanks to the combination of a sleeveless design & Primaloft padding. The Vest is filled with 100g Primaloft Gold which is designed to trap in as much heat as possible & stopping it escaping to keep you warm on the coldest of days. On those days where the temperature keeps fluctuating, you can use the full zip to control how much heat you want to let in & out of the vest.