The BloqUV Men's Long Sleeve Sun Protective Jet Tee has a UPF 50 plus rating, blocking out 98 percent of the sun's harmful rays. Available in fresh vibrant colors to match any of your outdoor activities. Flat seamed for all around comfort FEATURES: UPF (Ultraviolet Protection Factor) of 50 Blocks 98% of sun’s rays No chemicals added for UV protection Excellent UV rating Each fabric and color individually tested by independent lab Loose Body fit Reflective Trim BloqUV Apparel BUV-12002-WHT