We paired lightweight, breathable mesh with our Charged Cushioning midsole for amazing responsiveness, maximum impact absorption, and a snappy feel that keeps you running and running. Lightweight, breathable mesh upper. External heel counter for increased stability. Stretch bungee laces for ease of entry, built to slip the shoe on & off. Plush sockliner maintains it's shape for all-day comfort. Full-length cushioned EVA midsole delivers the ultimate lightweight & responsive ride. Lightweight, durable outsole. Lace type: Stretch elastic.