Design: Highly flexible synthetic upper allows for more natural movement Made from highly flexible material to enable natural movement of the foot Integral soft cushioning in the interior of the shoe provides foot protection and safety while controlling impact In-Shoe Comfort: actionnube midsole technology delivers extremely responsive ride Premium EVA insoles provide cushioning across the entire footbed Traction & Durability: Non-marking gum rubber outsole for improved traction Weighing only 9oz, to maximize your speed and agility