You need a force to battle the trails with, so we introduce to you the Caliber TR. Engineered with rugged good looks and hardcore performance, the women's Caliber TR trail running shoe is for outdoor enthusiasts who want comfort while pushing the limits! Featuring an aggressive outsole, combined with our REACT2U footbed with memory foam to help you comfortably fly through your gait cycle. OVERVIEW ? Hot melt overlays for a lightweight and seamless feel ? Aggressive outsole for extra grip on the road or trail ? REACT2U sockliner is an ultra-plush memory foam footbed for ultimate cushioning ? Injection molded EVA midsole provides a cushioned underfoot ride