Stay warm and stylish through cold winter days with these lightweight, water-resistant Thermoball Women's Boot from The North Face. These boots are lined with cozy ThermoBall Eco insulation. Benefits Synthetic mudguard keeps the elements out Non-PFC durable water-repellent (non-PFC DWR) finish to keep feet dry Collar bungee is adjustable to prevent snow from getting in Sole Unit: Rubber outsole for increased traction Comfortable OrthoLite footbed made with 5% recycled rubber content Lightweight ThermoBall Eco insulation retains warmth Oso fleece collar lining for comfort Upper: Water-resistant, 100% recycled PET ripstop material