Polar Vortex 600™ Size:size 9 DURABILITY: Built for the most

DURABILITY: Built for the most rugged

Performance Fit // The BOA® Fit System delivers dialed-in performance and micro-adjustable precision fit

INSULATION: 400g of 3M™ Thinsulate™ insulation for the ultimate warmth during intense adventures like snowshoeing and hiking

SPECS: 8” height / 2lbs 12oz per pair

Triple Threat™ Carbide Spikes bite into smooth

Polar Vortex 600™ Size:size 9 DURABILITY: Built for the mostENGINEERED 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