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.

COMFORT: Premium aerogel frost barrier footbed.

TEMP RATING: Comfort rated down to -60 Degrees Fahrenheit.

SPECS: 11” height / 4lbs 4oz per pair.

SIZES: 8-15 (whole sizes only).