Darn Tough Men's RFL Over-The-Calf Ultra-Light Sock in Black color:Black Sidecut WC Guides have a

Sidecut WC Guides have a hand polished stainless steel anti-friction glide

making them a favorite of countless shop mechanics worldwide

Basher Ultimate | SHRED

Proven again and again on the World Cup circuit

The uncompromising cyclist that wants the very best in bottle security

Darn Tough Men's RFL Over-The-Calf Ultra-Light Sock in Black color:Black Sidecut WC Guides have aThe Darn Tough RFL Sock brings together a smooth Merino Wool feel, next to skin fit, flex and fatigue zapping arch support, and targeted venting the ultra lightweight RFL is the sock experience your hard charging feet have been dying for, lap after lap. Materials: 55% Nylon 42% Merino Wool 3% Lycra Spandex