EVA sockliner provides soft, step-in comfort Lightweight mesh upper with textured overlay details delivers complete breathability Textured overlay details. It's a running shoe everyone can wear to go faster, thanks to its shock-absorbing Charged Cushioning® technology, breathable upper and excellent durability. Lightweight, breathable mesh upper with synthetic reinforcements for strength and support EVA insole for immediate comfort Charged Cushioning® midsole with compression-molded foam for absolute responsiveness and durability Sturdy rubber outsole to protect high-impact areas and provide added resistance without adding weight.