If your child is outside a lot, this polo has a UPF rating of 20, which protects him from the sun's rays. Polyester performance fabric provides moisture wicking and UV protection while resisting fading and wrinkles. No exterior logo. Dyed to match Dickies logo buttons. 100% polyester fabric suitable for screen printing and embroidery. Performance Short Sleeve Polo Shirt features side vents at hem, tagless label for comfort, moisture wicking, snag resistant and rib knit collar and three button placket. Small: size 4, medium: size 5/6, large: size 7. Material: Polyester.