Weather winter storms better with KamikA(R) Women's Lauren 11.5" USA Winter Boots. These Boots keep you warm down to -40AdegF thanks to the HEAT-MX 145 thermal insulation and fleece lining. A CushyStep Elevated EVA foam footbed and RAVEN outsole with GripXT offers all-day comfort and traction to keep you upright in the ice and snow. Seam-sealed uppers Waterproof, genuine suede and leather uppers Comfortable down to -40AdegF D-ring lacing system with genuine shearling padded collar Waterproof, genuine suede padded gusset tongue HEAT-MX 145 sustainable thermal insulation Moisture-wicking fleece lining Removable CushyStep Elevated EVA foam footbed Insole has natural and non-toxic Cleansport NXT treatment Injection-molded, lightweight synthetic RubberHe shell Proprietary technology offers traction and increased flexibility Shell made with sustainable BLOOM STRIDE synthetic rubber RAVEN outsole uses deep lugs with GripXT Leather is from a gold-rated tannery