An innovative blend of warmloft insulation and low bulk fleece the chilton hybrid jacket is the perfect companion for blustery summit walks showerproof nylon with lightweight synthetic fill protects your core it has the touch and feel of natural down yet dries quickly and insulates when wet soft symmetry fleece arms provide warmth without the bulk stretch binding at the collar cuffs and hems and a sleek asymmetric fastening give a contoured fit that sits comfortably under shell jackets