Under Armour Armour Ua Essential Ultralowtab 3pk Trainer Sock Unisex Adults. Breathable material - The material of the sports socks draws sweat away from the skin, and the 3 stitches in each heel ensure optimal fit and comfort. Full comfort - with their flexible flat woven material, the no Show socks for men and women mould to the form of the foot for full comfort. Secure hold - these women's and men's Socks feature an integrated transparent silicone strip on the heel, which prevents them from slipping. No Chafing - the seamless toe area of the running socks prevents chafing and a specially constructed tongue prevents shoelace marks. Material and fit - Under Armour Ultra lo socks 3 pack essential Sportswear, no Show socks, material: 89% polyester/7% nylon/4% Elastane