Trail running is not road running: feet are constantly required to flex, compensate and adapt to ever-changing terrain, and footwear must be carefully-chosen. The third generation of the famous Pro Racing Sock Trail offers even more stability than previous models. The fabric is well-ventilated thanks to an original airy-weaving design, wicking away sweat and moisture to keep feet dry at all times. Higher than the Run Sock, the off-road sock offers increased protection to the lower leg and ankles. The thicker, denser 3D.Dots cleverly prevent bruising on the inside leg and malleolus caused by flying feet, while stability wings on either side grip the base of the calf for added comfort. On the mid and fore-foot sections, the dots combined with a 360° arch support prevent the material from twisting, reducing the risk of blisters and offering reassuring stability in rocky terrain. Targeted compression boosts blood flow, while the newly-reinforced toe box protects toes and nails on fast, jarring descents. Pull on our redesigned, grey trail running sock for optimised stability and performance on your biggest trail adventures.