Nozone Women's Versa-T Long Sleeved Sun Protective Shirt - UPF 50+ 100% Polyester Rated UPF 50+, blocking out more than 98% of the sun's harmful UV radiation. 100% of sun protection comes from the weave of the fabric -- NO zinc or other chemicals are used in fabric Soft and comfortable - will quickly become your favorite shirt / Wicks moisture from the body; all natural EPA approved antibacterial Premium fabric features: 4 way stretch with fabric memory, pill resistant and anti-static Made in Canada. Premium product ethically manufactured in Canada to exacting standards See Nozone's Versa-T size chart below in Product Description.