The superior insulation protection, reflective heat technology, and tough outsole grip of the Columbia Powderhouse Titanium Omni-Heat 3D Outdry snow boots let you withstand sub-zero temperatures and stay safe in freezing conditions. Waterproof leather and nylon upper. OutDry waterproof, breathable construction keeps out the wet elements while providing a drier, more comfortable foot environment. Omni-Heat 3D Reflective Thermal Reflective Warmth technology utilizes a breathable material with little silver dots that reflect body heat for excellent interior warmth and comfort. 600g insulation provides excellent protection against the cold and snowy elements. Winter boot is rated for temperatures down to -65 degreesF/-54 degreesC. Traditional lace-up closure with fabric laces and sturdy nylon webbing loops for a secure fit. Heel pull tab. Contoured PU footbed for added underfoot support and comfort. Techlite shell and EVA midsole provide daylong comfort, cushioning, and energy return. Michelin WINTER COMPOUND outsole provides abrasion and slip-resistant properties in temperatures down to -22 degreesF/-30 degreesC. Imported. Measurements: Weight: 1 lb 6 oz Shaft: 6 1 2 in Product measurements were taken using size 7.5, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.