The women’s NUPTSE PURNA II Winter Boot brings style to warm winter urban boots, a comfort for your city adventures. 200 grams of PrimaLoft Silver Eco insulation means powerful down-like warmth that stays warm even when wet. The waterproof velvet & suede upper is sure to get noticed and is topped by a faux-fur collar detailing. A unique back cuff is 100% recycled PET, water-resistant and ecologically imaginative, The TNF specialty Winter Grip rubber compound makes for a grip-centric sole. Ice Pick temperature-sensitive lugs provide the proper bite no matter the surface.