OCTAVE Unisex Plain Invisible Trainer Liner Socks Various Pack Sizes Available - Please make your selection of Colour and Quantity above. These Cotton Rich Socks are outstanding value and designed to hide secretly inside your trainers. The added stretch gives essential comfort and breath ability during exercise. Lightweight - made of a soft and stretchy fabric for a snug and comfortable fit. Slightly reinforced heel & toe for enhanced durability and non-cushioned for a lightweight feel without extra bulk. Ideal for your exercise regime, these elegant trainer socks will be a great addition to your gym kit. Accessorise your workout trainers or fashionable trainers with these discreet trainer socks. They sit neatly under the trainer, giving you the comfort of a sock without the look . The high cotton content wicks away sweat and moisture from the skin, making sure your feet stay fresh and healthy. They provide a comfortable barrier between your feet and your trainers, whilst the gentle rib cuff provides all day comfort . A secure and stable fit is achieved with the added unique non slip silicone gripper support to the back inside rear of the socks which moulds around the heel and helps to prevent the socks from slipping off. See separate image 2 above for an illustration of the silicone gripper support .