Keep cozy, warm and dry this winter with classic Columbia Bugaboot boots. With Omni-Tech waterproofing and 400 grams of insulation you can be confident your feet are protected from the elements every time you step outside. Wear them in rain or snow, on casual excursions out or on big ski trips where comfort and convenience are key. synthetic and leather with Omni-Tech waterproof breathable construction Omni-Heat reflective lining keeps you warm with 400 grams insulation fleece lining around collar bungee lace-up front with adjustable toggle closure large pull loop on back for an easier on/off lightweight and flexible rubber shell outsole gripping traction for various terrain Columbia Bugaboot Celsius