NIKE Youth MercurialX Pro Indoor Shoes Synthetic Imported Rubber sole Synthetic, rubber sole Anatomically correct shape contours to the foot for a snug, glove-like fit Lace-up system for a secure, custom fit Indoor competition (IC) outsole made with non-marking materials and features designed to help enhance movement and traction Vapor court traction pattern delivers multi-directional traction for optimal speed and acceleration on hard indoor surfaces