Versatile, efficient, and odor free, the SmartWool Light Cushion hiking crew socks are made with merino wool to regulate temperature in both cool and warm temperatures. Special fiber blend evaporates and wicks better than synthetics alone to keep your feet drier and more comfortable. Smartwool Merino fibers are naturally odor free. Smartwool fibers regulate body temperature to keep you warm in the winter and cool in the summer. Wool-on-wool construction in the heel maximizes the lifespan of the sock. Leg ribbing with elastic holds sock in place. Elastic arch brace enhances fit and support. Reinforced light half cushion protects against shock, blisters, and abrasions. Flat-knit toes seam increases comfort and durability.