Smartwool UltraLight MultiSport Mini Crew Royal Medium (Men 6-8.5, Women's 7-9.5) Merino Wool Blend Imported Smartwool MultiSport Mini Crew Socks Royal Blue M 59% Non-Itch Merino Wool, 37% Nylon, 4% Elastane SmartWool. Technically superior...naturally! Mesh Ventilation Zones. Blister-free Fit.