Ventilation air flows easily between the 3ddots regulating temperature ultimate comfort the internal over woven structure of the 3ddots increases comfort and reduces the risk of chafing slip proof the multi directional 3ddots ensure maximum grip in shoes preventing the sock from slipping shock absorption the external over woven structure of the 3ddots allows for absorption and dampening of impact protection of the achilles tendon the cushioning effect of the 3ddots at the rear of