Men's Sportswear Quick Dry Long Sleeve shirt - Sun Protective 100% polyester Suggestion:90% of our Client from U.S. thinks the size of the clothes are a size SMALLER than the U.S. size! Extremely breathable, cooling effect, the breeze blowing bursts of cool. Light texture, prevent and suppress the generation of free radicals and damage to the skin. Face protection design for the latest, thinner, more breathable and comfortable. Sun protection technology helps block damaging UV rays from reaching your skin, allowing for more carefree hours in the sun.