Sigvaris Sports Merino Outdoor Unisex Calf-High Compression Socks Large/Medium, 20 to 30 mmHg, Charcoal, Unisex, 14" to 20" Calf Circumference, Closed Toe A compression sock designed tough enough to tackle the outdoors Sigvaris Merino Outdoor Wool Compression Socks are the ideal compression socks for active people who enjoy the outdoors. Constructed with 100% Australian Merino Wool, these socks are soft, comfortable and itch-free. Sigvaris Merino Outdoor Wool Socks give anyone who loves the great outdoors more energy and improved circulation to help take their adventures to a while new level.

• Fine Australian Merino Wool constructed with itch-free fibers.
• Naturally durable, anti-microbial and thermo-regulating for all seasons.
• Absorbs 35% of its weight in water.
• Helps boost energy levels, improve circulation, and provides relief against delayed onset muscle soreness.
• Cushioned padded sole keeps feet blister-free.
• Mesh flex-zones provide ventilation.