YONEX POWER CUSHION STRIDER FLOW JUNIOR (Lace) SHBSF1JREXModel Description: STRIDER FLOW is Designed for confidence in directional change. A proprietary sole pattern increasing traction in vertical, horizontal and diagonal. Prevents foot movement at the edge of the sole for reduced power loss, allowing for fluid and aggressive footwork. MATERIAL: Upper Synthetic Fiber Midsole Synthetic Resin Outsole Rubber Sole