Design: Water-repellent, recycled P.E.T. ripstop upper Waterproof DryVent™ bootie construction Synthetic mudguard helps keep the elements out TNF™-branded webbing pull loops on both sides for easy pull-on In-Shoe Comfort: Lightweight ThermoBall™ Eco insulation retains warmth even when wet Collar bungee is adjustable to prevent snow from getting in Oso fleece collar lining adds extra comfort Comfortable OrthoLite® footbed is made with 5% recycled rubber content Durability & Traction: Non-PFC durable water-repellent finish helps keep your feet dry Rubber outsole provides increased traction Additional Details: Weight 12.7 oz. Style: NF0A5LWD32F