ENGINEERED FOR EXTREME WINTER PERFORMANCE.
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: 600g 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: BoaM4 Fit System for fast and effortless on/off and custom fit.
COMFORT: Premium shock absorbing polyurethane footbed.
TEMP RATING: Comfort rated down to -40 Degrees Fahrenheit.
SPECS: 11″ height / 3lbs 15oz per pair.
SIZES: 8-15 (whole sizes only).