UPF 50 sun protection and sweat-wicking fabric combine in this comfort-stretch shirt with a clever saying front and center. The Youth Outdoor Elements 3/4 Sleeve Shirt is sure to be a first choice for boys and girls enjoying their day with peers. The long-lasting high quality cotton adds to making this their go-to shirt of choice. This boy and girl’s 3/4 sleeve length shirt is available in multiple colors and features a hiking graphic. Made from Columbia’s soft polyester and elastane blend fabric, it feels nice and comfy against the skin. Columbia offers this classic baseball tee in multiple colors and sizes. Regular Fit. To ensure the size you choose is right, utilize our sizing chart and the following measurement instructions: For the sleeves, start at the center back of your neck and measure across the shoulder and down to the sleeve. If you come up with a partial number, round up to the next even number. For the chest, measure at the fullest part of the chest, under the armpits and over the shoulder blades, keeping the tape measure firm and level.