Design: Lightweight mesh upper actively pulls moisture away from your foot, keeping you cool and dry SPEEDROLL Technology propels you forward effortlessly 3-quarter plate design allows for a more adaptable heel strike in varied terrain Carbitex™ AFX carbon-fiber plate, built for trail running, provides speed & efficiency without sacrificing ground feel or stability In-Shoe Comfort: EVA sockliner Ultra-light, responsive PWRRUN PB foam cushioning gives you a light, fast feel Durability & Traction: Clear mudguard adds durability and protection PWRTRAC outsole gives you incredible traction on the trail Additional Details: Weight: 7.8 oz / 221 g Offset: 6mm Lug Height: 4mm