Anatomically designed to provide advanced plantar fascia and arch support, the Vectr Light Cushion 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. SKU: UA5042e No show sock 2. X-LOCK technology feature 3. Anatomical design 4. 2.5mm light cushioning 5. Anti-abrasion seamless toe construction 6. Zoned mesh ventilation for increased breathability 7. This garment contains recycled yarns