With just the right level of comfort and protection in all the right places, our Trail Run Targeted Cushion Summit Sector Print Crew Sock is designed to help you run farther with less fuss. It's made with responsibly sourced Merino wool and enhanced with Indestructawool technology for added durability, and a Virtually Seamless toe for additional comfort. Plus, the 4 Degree Elite Fit System offers a performance fit with strategic stretch and mesh zones to promote breathability while helping protect against blisters. | Smartwool Trail Run Summit Sector Print Crew Socks in Nightfall Blue | Size: Medium