Women's Polar Vortex 1200™

MEET THE UNDISPUTED RULER OF THE NORTH. VERSATILE TRACTION: Customized traction on the fly; easily change soles as conditions or terrain demand. WATERPROOF: 100% Waterproof breathable bootie construction combined with waterproof leather keeps feet bone dry.  INSULATION: 1200g of 3M™ Thinsulate™ insulation,  highly rated for extreme winter cold.  DURABILITY: Molded TPU toe cap for durability and protection with recessed stitching for added abrasion resistance.  FIT SYSTEM: Boa®M4 Fit System for fast and effortless on/off and custom fit. TEMP RATING: Comfort rated down to -60 Degrees Fahrenheit. SPECS: 11” height / 4lbs 4oz per pair. SIZES: 6-11 (whole sizes only).