Designed for long runs on uneven trails, the TRAILFLY SOCK offers comfort and protection in the areas you’ll need it most. With targeted cushioning underfoot providing protection on unpredictable terrain and a snug fit this sock is so comfortable you will feel like you can run forever. The highly breathable, moisture-wicking fabric features vented panels around the midfoot, helping keep the foot dry and comfortable. And to make it even better, the socks are made from 68% recycled materials.