Lacrosse’s line of Alpha Thermal Boots were built to keep your feet warm in the ice, snow and slush while providing comfort and style. They feature 7mm of naturally insulating neoprene, and have plush fleece lining throughout the entire boot. The Alpha Thermal boots also have Lacrosse’s Antarctic Outsole, which features a multi-dimensional lug pattern for superior traction in slippery winter conditions. Features of the Lacrosse Alpha Thermal Boots: Premium, hand-laid rubber shellPlush fleece lining Antarctic Outsole Lacrosse Women's Alpha Thermal 14" Choc/Plum 7mm Neoprene Boot 644104 in Chocolate/plum, 7