Result Core Unisex Adult Windcheater Windproof Jacket Polyester, , Extremely lightweight, with breathable front chest vent panels Concealed hood in collar with adjuster Two front pockets, with zip closing right pocket (MP3 Cable holder located in right hand pocket) Windproof Sizing (fullest part of the chest): S - 38in, M - 41in, L - 44in, XL - 47in, 2XL - 50in