Under Armour Ripping Shortsleeve - Boys' Grade SchoolThe Under Armour Ripping T-Shirt is made with a lightweight, anti-pick knit fabric. Signature Moisture Transport System wicks sweat and dries quickly. UPF 50+ protects your skin from the sun’s harmful rays. Under Armour screenprint across the shoulders. Center front logo changes color when exposed to the sun's UV rays for fun. Anti-odor technology keeps your top fresher. HeatGear® fabric works best in weather between 75 and 100 degrees. 100% polyester. Imported.