Get free shipping and sales for the Columbia Titanium Bugaboot XTM Omni-Tech Grey Ice/Aquamarine Footwear The Titanium Bugaboot XTM Omni-Tech is a superior all-around insulated boot for cold weather adventures and outdoor excursions. The upper consists of nubuck and split suede leather combined with Omni-Tech technology that contains microporous membranes to keep water from penetrating in while allowing perspiration to escape. Front lace-up closure. Contains an internal lining and footbed cover with AgION antimicrobial technology protects against a vast array of bacteria to keep the footbed clean and to neutralize odors. The 600g Thinsulate Ultra with additional underfoot insulation is rated to keep your feet warm in temperatures as low as -65 F/-54 C. Molded EVA footbed for added comfort. The Techlite molded midsole is made from durable, impact absorbing material, delivering consistent support. Techlite is also non-marking, cleans easily and is easy on the environment. Nylon shank provides rigidity and support. Injection molded thermal rubber shell. The Omni-Grip outsole is comprised of soft, flexible and firm compounds to provide increased abrasion-resistance for added durability. Designed for winter sports, this outsole is formulated to maximize traction in snow and ice while resisting colder, harsher temperatures.