Developed from their time-tested classic X-Socks, these sports specific, Swiss engineered and Italian crafted men’s fit X-Socks Running Discovery 2.1 Trainer Socks are the company’s entry level model for runners with targets. The socks feature an innovative, protective inbuilt X-Cross® Bandage around the injury sensitive ankle joint area to stabilise it during activity. Activ-Bund cuffs stop sock slippage, but without tight constriction.With their anatomically designed footbeds, these left/right fitting socks have targeted protection and support for the Achilles tendon, toe tips, toes and heels, with fit-enhancing elasticated ribbing and patented Air Flow and Air-Conditioning Channels, along with sophisticated bacteria-resisting yarns, to keep your feet dry and fresh.