Lightweight and breathable - The sneakers' breathable mesh upper features synthetic overlays for strategic structure and support All-day comfort - The footwear has a Deluxe Comfort System sockliner, Charged Cushioning midsole, and enhanced cushioning around the ankle collar Improved traction - Experience superior traction and flexibility just where it's needed with the running trainers' durable rubber outsole Fast performance - Exceptional cushioning and comfort meet light breathability to create training shoes that never slow athletes down Material and fit - Under Armour Women's Charged Surge 4 gym shoes have a regular fit with standard tie laces. UPPER: 82% Textile, 18% Synthetic~OUTSOLE: 100% Rubber