Anatomically engineered for your greatest performance yet. The unique Infinity Wave packs endless superior cushioning to this durable shoe. This game-changing technology offers you a unique feel with a high degree of shock dispersion that lasts infinitely when long distance running. Now even more comfortable with maximum cushioning sockliner. Further. Stronger. More powerful. Returns can only be requested within 30 days of the product shipment date. Your order must be returned to the merchant shipper in order to receive full product credit.  Returned items must be in their original packaging and in new condition, or they will be rejected and sent back to you. Please contact us by messaging to our seller ID “mizuno-usa”.