Go the distance. Mesh fabric panels on this lightweight running hat provide breezy ventilation so you can get the most out of every mile. Designed for Run. Adjustable back closure for a custom fit. Reflective details. 'Hand wash cold', 'Do not bleach', 'Lay flat to dry', 'Do not iron', 'Do not dry clean', 'Imported'. Mesh: 89% Nylon, 11% Elastane. Sweat band: 82% Nylon, 18% Lycra elastane. Body: 86% Polyester, 14% Elastane.