Design: Lightweight, breathable mesh upper Deeper FORMFIT design delivers a personalized fit and feel Streamlined heel clip hugs and supports your foot with less weight New torsional heel groove provides a smoother transition from heel to forefoot SPEEDROLL Technology propels you forward effortlessly This style is vegan and contains recycled materials In-Shoe Comfort: PWRRUN+ sockliner for added comfort Taller bed of PWRRUN foam cushioning comfortably cushions your stride Durability & Traction: Durable XT-900 rubber outsole Additional Details: Weight: 8.1 oz. (229g) Heel-to-toe Offset: 4mm (39mm heel / 35mm forefoot)