Features of the Eddie Bauer Men's Snoqualmie Pass Boot Our warmest waterproof winter boot Classic pac style for the coldest environments Injection-molded, waterproof TPR shell; leather Upper with waterproof/breathable membrane Exclusive Insulation protects from severe cold Weatheredge waterproof/breathable membrane 400 Gram ThermaFill Insulation for maximum warmth EVA Footbed for added comfort