Designed to be worn with trainers, these Foot Cover Organic Socks from Rototo have a 3-D heel design with elastic yarn that keeps them in place. The short length means the socks can be hidden when worn with trainers. Made in Japan. Small - UK 4-6, Medium UK 6-8, Large - UK 8-11 78% cotton, 19% polyester, 3% polyurethane Made in Japan 3-D heel design Elastic yarn helps keep them in place Short length Light Blue Rototo Sneaker Foot Cover Organic Socks Light Blue