6.7 oz., 94% polyester, 6% elastane; HeatGear® fabric keeps you cool, dry and light; performance polo fabrication with flat back mesh inserts; anti-pick and pill finish for lasting durability; anti-odor technology; 30 UPF protects your skin from the sun's harmful rays; HeatGear® fabric keeps you cool, dry & light; UPF 30 protects your skin from the sun's harmful rays; rib-knit collar; 3-button placket; hemmed sleeves; ladies' loose fit; UA logo on the left sleeve