KORKERS Mens Polar Vortex 1200 With SnowTrac Sole Black/Silver Boot (OB9901BK)

Versatile Traction: OmniTrax Interchangeable Sole System for customized traction on the fly; easily change soles as conditions or terrains demand; Waterproof: 100% Waterproof breathable bootie construction combined with waterproof leather keeps feet bone dry; Insulation: 1200g of 3M Thinsulate insulation combined with Korkers Thermal Stack Technology, highly rated for extreme winter cold; Durability: Molded TPU toe cap for durability and protection with recessed stitching for added abrasion resistance; Fit: Boa M4 Fit System for fast and effortless on/off and custom fit; Comfort: Premium aerogel frost barrier footbed in the 1200g boot; Temp Rating: Comfort rated down to -60 degrees fahrenheit; 11" height / 4lbs 4oz per pair; Sizes: 8-15 (whole sizes only); With SnowTrac sole