The Skechers BTS Dyna Shoes feature elasticated laces and a single hook and loop fastener for an easy on / off fit, with a Memory Foam insole and one piece sole for maximum underfoot comfort. These children's shoes have elasticated laces, a single hook and loop fastener, a Memory Foam insole, and a one-piece sole for maximum underfoot comfort. The upper and sole are synthetic, while the inner is textile.