The North Face Women's Oso Bootie TNF Black/Shiny TNF Black Boot 7 B (M) Fleece Ripstop Synthetic Claimed Weight: [size 7] 1 lb Closure: bungee drawcord Upper Material: [upper] 100% recycled PET ripstop, [shaft] fleece, [insulation] Primaloft ThermoBall Recommended Use: apres ski, gym, movie night Sole: outsole EVA, inset WinterGrip (rubber)