DescriptionBuilt-in Sun Block This lightweight kids’ shirt shields against sunburn and skin damage so they can play all day.Keep Water Out Advanced moisture-wicking technology pulls sweat and dampness away from the skin and helps it evaporate quickly.Stretchy Comfort Breathable fabric features extra stretch for comfort that follows their every move.Omni-Wick™Omni-Shade™ UPF 50 sun protectionThumb holesCenter Back Length: 19″88% polyester/ 12% elastaneModern Classic/Regular Fit: Universal, easy fit for comfortable range of motion. Columbia Kids’ Sandy Shores™ Long Sleeve Sunguard Shirt - A One Clothing