[Detail] Shell Nylon 100% Lining Polyester 87% Polyurethane 13% lightweight comfortable fit ripstop lightweight faic water-resistant faic mesh lining adjustable string stopper at back emoidery and reflective print for enhanced visibility during running [Size] Depth 17cm / im length 7.5cm / Head circumference 5559cm [How to Wash] Hand wash recommended Use mild detergent in lukewarm water below 30°C Do not wash above 40°C Do not tumble dry Do not iron Dry naturally in shade away from direct sunlight