Expertly crafted for the toughest jobs, the Filson Denim Insulated Work Vest offers durability and warmth. The 14.5-oz. preshrunk raw denim is lined with dry finish Cover Cloth to prevent dye transfer. The wool-blend rib-knit collar provides extra protection and utility pockets offer convenient storage options. Insulated with 60g PrimaLoft® Silver for superior warmth.