Anatomically designed to provide advanced plantar fascia and arch support, the Vectr Ultralight No Show Sock leverages a unique X-LOCK support system to lock the foot in place and reduce blistering for your most comfortable run ever. Garment Features No show sock X-LOCK technology feature Anatomical design 1.25mm ultralight cushioning Anti-abrasion seamless toe construction Zoned mesh ventilation for increased breathability Product details ANTI-BLISTER X-LOCK technology provides advanced arch and plantar fascia support and locks the foot in place within the sock to reduce blistering ULTRALIGHT CUSHION 1.25mm ultralight cushioning for comfort in warm conditions or for those performance athletes who prefer its receptive feel 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