Short Sleeved Jersey in Hi Tech fabric, 100% polyester, with moisture control and UPF 50 protection that shields against the sun's rays. Reduces static and is form-fitting. Breathable mesh panels. Flat seams. Reflective material for high visibility. Neck seams protection to avoid chafing. Four reflective back pockets, one of which is water repellent. Silicon grip waistband. Azo-free Italian ink (free of harmful products to the skin)