SmartWool's flat-knit sock liner provides a close, lightweight fit to minimize friction and blisters. Features wool on wool (WOW) technology for greater durability.

• Made from 64% merino wool, 34% nylon, 2% elastic
• Can be worn alone or under another pair of socks
• Ultralight, noncushioned sock provides a close, lightweight fit
• Act as your second skin to minimize friction and blisters
• Wool-on-wool construction in the heel maximizes the lifespan of the sock
• Wicks moisture away from skin and dries quickly
• Flat knit toe seam guarantees comfort
• Won't itch or shrink
• Smartwool Merino fibers are naturally odor free
• Smartwool fibers regulate body temperature to keep you warm in the winter and cool in the summer