Cold feet can sideline even the most steadfast hunters. Complete your late-season system with the Sitka Gear Men's Heavyweight OTC Sock and stay focused in the field through the coldest snaps. Temperature-regulating merino wool is woven with advanced PrimaLoft yarns to lock in heat, and it's reinforced with Cordura at the heel and toe to reduce the strain of demanding pursuits. Performance zones throughout the sock provide a low-bulk fit inside boots without sacrificing warmth or cushioning, giving you comfort for miles. FeaturesCordura reinforcements at the heel and toe box reduce stress on wear points and extend the life of the sockMerino wool blend regulates temperature and maintains warmth when wetWoven with PrimaLoft yarns for more warmth with less bulkCushioned for comfort over rugged terrainBuilt-in performance zones throughout the sock optimize warmth, cushioning, and breathability, while minimizing bulk