98.9% Polyester, 1.1% Spandex. Style #: J518. Non-waterproof stretch softshell material with a light Brushed fleeced lining 13 points of reflective for high visibility from all angles in low light conditions Large reflective logo on back panel is only visible at night Coolmax material on inside back lining for better wicking and moisture management Complete UV protection rated UPF 50+ 13 points of reflective for high visibility from all angles in low light conditions