Yorkie Puppies Dog Adult Socks by WHD (Size 9-11) Shoe Size 9-11 Lightweight Stretch Cotton 90-94% Cotton, 3% Nylon, 3% Spandex Shrinkage is not an issue! Each pair are made with high quality soft cotton and have great stretching power wash after wash. Shrinkage is not an issue! Each pair are made with high quality soft cotton and have great stretching power wash after wash. The colorful motifs certainly make a fashion statement!