The Balega UltraGlide No Show Socks offer friction-free, blister-free running. Balega's UltraGlide No Show is lightweight, with strategic protective cushioning built into the sock. Knit with Balega's proprietary Drynamix fibers to keep feet cool and dry, mile after mile. Features Cushion: ultralight - a light layer of cushion in the heel and toe Height: no-show/tab Hand-linked toe seam Drynamix moisture management yarn Protective metatarsal pad Friction-free Anatomical L+R fit Compressive arch support Made in South Africa from US yarn