Columbia - Titanium Ice Field (Black/Rustic) - Men's: The ultimate cold weather boot. Engineered with the most advanced technical materials for severe cold weather protection. Built for serious mountain hikers, snowmobilers and arctic explorers. 8" high boot with waterproof synthetic PU nubuck and molded mesh. Seam-sealed with membrane construction. Gusseted tongue. Dri-Lex(R) moisture wicking fleece lining. Rustproof metal alloy ghillies and speed hooks. 600 Thermolite(R), rated -65F/-54C. Removable molded EVA footbed with Dri-Lex(R) moisture wicking fleece cover. ThermaShield(tm) frost plug insole. Injection molded rubber shell with snowshoe binding lip. Molded EVA midsole with nylon shank. Vibram(R) rubber compound outsole with minimal loading lug tread pattern.