The North Face Nuptse Purna II is a fresh, modern update to the Nuptse Purna. This mid-height waterproof boot not only provides the cold weather protection you need but also offers an on-trend silhouette that gives you a contemporary look. Upper] Waterproof, BLC-compliant velvet-suede upper Water-resistant, 100% recycled P.E.T. ripstop cuff detail Waterproof construction 200 g PrimaLoft Silver Insulation Eco Faux-fur collar detail [Sole Unit] Durable TNF Winter Grip rubber outsole IcePick temper