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.
COMFORT: Premium aerogel frost barrier footbed.
TEMP RATING: Comfort rated down to -60 Degrees Fahrenheit.