Tango K is made for reliable warmth and comfort, no matter where the day leads. Crafted from durable nylon and PU, it features Polar Fleece lining and Thermolite insulation to keep feet cozy in chilly weather. The combination of stretch laces, toggle, and Velcro closure ensures a secure fit with every step. Easy pull on nylon winter boot with hook and loop strap closure at top line and decorative stretch lace toggle. Bellows tongue. Removable molded foam footbed. Thermoplastic rubber outsole. Always Waterproof. Temperature rated -20C/-4F. Anti-slip outsole.