You can handle it all in the Muck Boot(R) Women's Arctic Sport II Mid winter boots. Snow, ice and wind have nothing on these women's rubber boots that feature 100 percent waterproof protection and 5mm CR Flex-Foam insulation to keep feet toasty down to -40degF. Fleece lining adds another layer of warmth, while the EVA midsole supports and comforts feet. A slip-resistant outsole provides aggressive grip on wintry surfaces to keep you safe. FEATURES: Durable, extended rubber exterior provides waterproof protection 5mm CR Flex-Foam insulation to retain heat and keep feet warm Warm fleece lining improves heat retention and has a soft feel Dual Density EVA midsole with Comfort insole cushions feet Slip-resistant rugged outsole delivers reliable traction Comfort range: -40degF to 40degF Height: 10'' WARRANTY: All Rocky(R) products have one-year limited warranty in normal use, against any manufacturing flaw(s), defective materials or workmanship. The warranty also covers GORE-TEX(R) bootie liners against leakage for one year. Products with all other waterproof construction are guaranteed waterproof for six months from the date of purchase.