The Smartwool Pressure Free Nomad men's sock is soft, comfortable and pressure-free. This medium-weight sock is made for a long day exploration and moving on your feet. The Pressure-Free Fit helps prevent tightness on the leg and calf and provides all-day warmth. It features a Virtually SeamlessTM toe and a supportive arch brace to keep your feet comfortable. The Shred ShieldTM helps reduce wear from toes. It is made of 55% Merino Wool, 42% Nylon and 3% Elastane.