Conditions are never too rough for our Hyland storm boot! Packed with cold weather performance when you need it most. Featuring a waterproof rubber coated leather upper, our SpyDry waterproof membrane for superior dryness, zippered YKK closure and our unique Ascent5 five-piece heel construction provides high tech comfort and traction in all conditions. Features: Antimicrobial footbed. Waterproof American Leather & Neoprene Upper. Heel to Ball TPU Chassis. Slip Resistant Tread with Aggressive Multi-Directional Lugs. SpyDry Waterproof Membrane. Lightweight & Flexible EVA Midsole. Vibration Absorbing Rebound Technology. Ascent5 Ð 5 Piece Comfort Suspension System. 200g Primaloft Lining for Superior Warmth. SP10503_BLAC. Materials: Upper 45% Leather / 55% Textile / Outsole 100% Rubber. About Spyder: Founded in 1978 in Boulder Colorado, Spyder is one of the world’s most recognizable and credible outdoor sportswear brands. Focused on enhancing the ski experience both on and off the mountain, Spyder prides itself on its advanced technical composition and style.