Constructed with ultrafine high-tech performance yarns to create the sheerest, lightest performance no show running sock. Reinforced microfiber toe and heel along with unique heel design creates a more formed, extra-deep heel pocket. Proprietary Drynamix moisture wicking fibers keep feet cool and dry, and features reinforced microfiber mesh ventilations panels. Hand-linked, seamless reinforced toe maximizes comfort, high heel tab helps prevent sock from slipping and minimizes exposure to blisters. Left/right foot construction method ensures the perfect fit.