Warmth Rating: THERMAL CERTIFICATION INDEX™ 3000 Fabric Gloves: The fabric is laminated, with a breathable, waterproof membrane added to the outer surface, optimizing warmth and comfort while keeping hands dry. Palm: LEVEL uses Schoeller Kevlar, the strongest kevlar fiber on the market. Guaranteed for optimal durability. Inner Lining: This fleece is lightweight and moisture-wicking, allowing moisture to evaporate for exceptional comfort. Drying Technology: A highly breathable membrane treatment forms a waterproof barrier between the outer glove layer and the filling. Keeps hands dry for optimized warmth and comfort. Additional Design Features: Long cuffs, safety drawstring, adjustable straps, removable fleece lining, warm zippered pocket, nose cleaning design. MEMBRA-THERM PLUS A highly breathable membrane insert that creates a waterproof barrier between exterior layer of the glove and the insulating materials. It optimizes warmth and comfort by keeping the hands dry. All product descriptions, information, and data are provided by manufacturers and suppliers. The pictures and size information are for reference only, subject to the actual product received.