Okamoto Kocopita No-Show Foot Covers for Women - Slightly Deep Beige (1 pair) and Shallow Black (1 pair) About this product Material Composition: Cotton, Nylon, Polyurethane Care Instructions: Machine Wash About this product 【Won't slip off all day】The uniquely developed, patented "U-shaped stopper" holds the heel firmly, researched for foot movement and fabric stretch, achieving "won't slip off all day." It won't slip off, whether you're climbing stairs, running, or taking off your shoes. 【Seamless opening】Smooth and comfortable against the skin. 【Exquisite design that doesn't show from shoes】The socks are invisible from your shoes, making your feet look neat and not interfering with your outfit. 【Convenient 2-pair set for easy replacement】The simple design makes them versatile for various occasions. The "Kocopita that won't slip off," which is a hot topic in CMs and SNS, has surpassed a cumulative sales of 70 million pairs!