If Fred Van Lierde ever loses his favourite calf sleeves at the world champs in Hawaii there is a good chance the Full Socks Race Oxygen will be his weapon of choice. These compression socks for trail running triathlon & endurance sports are developed along the no-compromise race-oriented guidelines the Oxygen range. Featherlight they provide an unparalleled second-skin feel & exceptional comfort thanks to ultra-soft mesh fabric. The incredibly thin fibres retain all compression properties & benefits delivering maximum support & protection to the foot & calf whilst limiting shock waves & vibration through muscles & tendons. Muscle oxygenation is enhanced by up to 10% delaying the onset of fatigue for enhanced performance. Carefully-placed 3D dots around the foot provide added grip in the shoe stimulated blood flow & impact absorption. The structure & volume of the dots is reduced for optimised overall lightness yet the efficiency is retained. With interwoven fast-drying panels providing 360° aeration to the lower leg they are the ideal solution for fast racing in the hottest conditions. Whether you are a marathon runner or a triathlete make no compromise on comfort & performance with these ultra-light classy black socks! KEY BENEFITS Postponed fatigue & enhanced performance through reduced muscle vibration helping you maintain speed & intensity for longer during effort High-level muscle support to the calves decreasing the risk of injury & cramps through targeted 360-degree compression Maximum thermoregulation thanks to mesh ventilation panels woven directly into the fabric helping keep your feet & calf muscles dry & cool in the hottest conditions