Engineered mesh upper is extremely lightweight & breathable, with strategic support where you need it 3/4 length bootie design hugs the midfoot & forefoot, for a more secure, plush fit Embedded sockliner for added cushioning & seamless comfort Charged Cushioning midsole is firmer in the heel & softer in the forefoot for support & comfort Solid rubber outsole covers high impact zones for greater durability with less weight The super-lightweight and flexible running shoes that're ready for anything. The Charged Cushioning protects your feet for long runs and the engineered mesh materials keep your feet ventilated.