Backpack compatible, critically taped seams, 40g polyfill insulation, zippered chest vent and chest pocket, water-resistant ergo underarm vent and front hip pocket zippers, faux suede accents and eyelet design details, adjustable powder skirt. Outer shell: 100% poly dual-color piece-dyed pinstripe. Lining: 100% Nylon Taffeta/100% Poly brushed and peached Tricot/100% Poly mesh/100% Poly Sherpa. InfiDry-10 10,000mm waterproof. 8,000gm breathable.