The SmartWool PhD Outdoor Ultra Light Micro socks for men combine a high-performance fit with select ultralight cushioning to keep you comfortable, no matter the activity. SmartWool PhD Outdoor Ultra Light Micro socks are perfect for short to mid-length hikes Soft merino wool provides excellent temperature control, odor control and moisture management; reinforced with stretch nylon to maintain fit 4-degree banded fit system features elastic arches and ankle braces, along with contour flex zones to eliminate bunching, slipping and sagging WOW (wool on wool) technology increases wool content in high impact areas, improving durability and overall comfort 65% Merino Wool, 32% Nylon, 3% Elastic |