New Balance's lightweight Performance Cotton Unseen Liner Socks 6 Pair are designed to sit underneath the collar of your favorite sneakers. These liner socks are perfect for those who prefer the feel of cotton, but need a discrete sock that can keep up with their active lifestyle. A Y-heel pocket provides a comfy fit and a stay-up tab helps keep these liner socks in place.   Flat-knit cotton construction No-show liner socks Y-heel pocket for a comfortable fit Reinforced heel and toe for durability Stay-up tab 6-pack 71% Cotton, 27% Nylon, 2% Spandex S - UK 4-6.5 M - UK 7-8.5 L - UK 9-11 Men's New Balance Performance Basic 6 Pack No Show Socks