Keen Women's Greta Waterproof Snow Boot SZ 11 . KEEN.DRY waterproof, breathable membrane keeps out the wet elements for drier, more comfortable foot environment. . 200g KEEN.WARM lightweight insulation provides long-lasting warmth and protection against the cold. Temp rated: -25F / -32C. . KEEN. Freeze rubble outsole with 4mm multi-directional lugs provides superior traction and grip on both snow and ice. . Removable Thermal Heat Shield insole captures warmth. . Interior is treated with natural odor protection technology. . Upper is made of environmentally preferred premium leather from an LWG-certified tannery. . Features PFC-free water repellency technology to keep out the wet elements. . Shaft : 7 1/2 in Brand New Without Box .