TOUGH PERFORMANCE. STRONG ACHIEVEMENT. Technical, stylish, lightweight: the same characteristics as a performance road bike. X-SOCKS® meets the requirements of professional riders 100 %. The black front section connects directly to the wide-mesh AirConditioning® Channel. Together with the Traverse AirFlow Channel System™ it ensures a supply of fresh air under the soles. Finely woven, but extremely durable. Special protectors are fitted at areas subject to increased wear. Maximum power transfer combined with optimal protection: perfect for tough races.