With a quick-drying, moisture wicking fabric, this UPF 50 rated shirt is designed to keep you protected, dry and comfortable all day. Made in bold colors that feature your fishing addiction on the back. This tech loaded long sleeve Tee is necessity for any day out on the ocean, lake, or river. Made up of a combination of Columbia's signature protection fabrics: UPF 50 material works to block and shield you from harmful UVA and UVB sun rays, while the advanced Omni-Wick fabric works to pull perspiration away from the skin. Columbia offers this fishing-ready shirt 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.