Soccer shoes adidas x Crazyfast.1 Firm Ground Junior With a proven design, the adidas x Crazyfast.1 Firm Ground soccer shoes are built for speed. With an aerodynamic, streamlined silhouette, this pair offers a single-layer monomesh upper covered with a double layer of low-opacity TPU film purposely placed for stability and comfort. Set on firm ground studs for added stability and traction, this pair is designed with a technical lining for ideal support while the flat lace closure keeps you secure. Finished with double rapide branding on the forefoot and a textured stripe for extra performance, this pair is complete with adidas branding.