Runners looking for serious speed will love the Hoka One One Tracer. This incredibly lightweight trainer provides soft cushioning in the heel and a firm platform in the forefoot for quick turnover. This running shoe is perfect for interval training and road racing. Vibrant colors will get you excited for your next run. Upper:Ultra-lightweight seamless TPU upper features support for the forefoot. Form-fitting heel construction for a security. Mesh offers excellent breathability and reduces moisture retention. Flat laces reduce irritation. Midsole: Early Stage Meta-Rocker provides a smooth, quick ride. PRO2LITE+10 Midsole for PROpulsion and PROtection. Matrix cushioning in forefoot ensures maximum flexibility and dynamic, lightweight cushioning. RMAT® in the midsole. Removable insole. Outsole: RMAT® outsole layer for durability and high-rebound response without excess weight.