With the X-SOCKS® EXECUTIVE LOW CUT 4.0, you secure a noticeable performance advantage during long workdays. With even more patented technologies, the special socks of generation 4.0 provide the decisive boost for outstanding effectiveness. The newly developed Air-Conditioning Channel® 4.0 with branches integrates climate-conducting 3D structures into a high-tech specialty yarn to promote intense ventilation of the feet. The Air Guide® technology and the Traverse AirFlow Channel System ensure additional ventilation. The Lambertz-Nicholson Achilles tendon protector 4.0 protects even more effectively against pressure, friction, and impact with its optimally shaped cushioning structures.