This modern, new look in above-the-ankle boots from The North Face amps up comfort with intelligent construction that will keep your feet warm. Water-resistant, 100% recycled P.E.T. ripstop upper provides durable protection. PrimaLoft ThermoBall synthetic insulation is a newly engineered synthetic alternative to down that is lightweight and insulates even when it's wet. Boots feature an Oso-fleece collar lining and asynthetic mudguard for comfort and quality construction. OrthoLite ReBound footbed provides the ultimate in comfort. Cushioned, lightweight, injection-molded EVA outsole withIcePick temperature-sensitive lugs for superior winter traction.