2XU Unisex Vectr Light Cush 1/4 Crew Sock Black/Titanium M

X-LOCK technology provides advanced arch and plantar fascia support and locks the foot in place within the sock to reduce blistering. 3.25mm maximum cushioning to deliver ultimate shock absorption during forefoot impact, push-off and heel impact. Engineered to conform to left and right structure of the foot for better fit. Seamless wide toe box eliminates a key irritation point and promotes natural toe splay improving balance, alignment and comfort. Moisture wicking yarns and zoned mesh ventilation areas keep your feet cool and dry.