Okamoto HEAT Non-Slip Cocopita Men's Invisible Sneaker Length Cotton Blend Black 3-Pair Set Size 25cm-27cm Product Description 【Won't Slip Off All Day】 The uniquely developed, patented "U-shaped stopper?" technology, which studies foot movement and fabric elasticity, firmly holds the heel, achieving "won't slip off all day." It won't slip off, whether you're climbing stairs, running, or taking off your shoes. 【Designed Specifically for Sneakers】 Features double support at the opening and the arch of the foot for a snug fit. 【Perfect Design to Hide from Shoes】 The socks are invisible from your shoes, making your feet look neat and not interfering with your outfit. 【Convenient 3-Pair Set for Easy Replacement】 The simple design makes them versatile for various occasions. Size: 25cm-27cm Material: Cotton, Polyester, Others Made in China