One pair of socks — two disciplines. Designed for the dual uses of running and cycling (ideal for duathlons!), these Reebok running/cycling socks feature built-in arch support and terry cushioning restricted to the heels and toes for lightness. Smooth Toe Seams protect against rubbing. Mesh-woven tops keep you cool while a reflective weave panel at the back of the cuff makes sure you stay seen when road training.