Anatomically designed to provide advanced plantar fascia and arch support, the Vectr Light Cushion Full Length Sock leverages a unique X-LOCK support system to lock the foot in place and reduce blistering. GRADUATED COMPRESSION - Boosts blood flow to muscles, improving performance, reducing risk of injury and speeding up recovery. ANTI-BLISTER - X-LOCK technology provides advanced arch and plantar fascia support and locks the foot in place within the sock to reduce blistering. LIGHT CUSHION - 2.5mm light cushioning designed to cover all the bases for most activities and help hide irregularities in footwear that could cause discomfort. ANATOMICAL DESIGN - Engineered to conform to left and right structure of the foot for better fit. WIDE TOE BOX - Seamless wide toe box eliminates a key irritation point and promotes natural toe splay improving balance, alignment and comfort.