This breezy dress offers UPF 40 and wicking tech to keep you covered out on the trail, combined with a modern cut that lets you head straight to post-hike drinks. Built-in sun protection, wicking power, pockets, and a lightweight poly-nylon fabric are ready to go. It’s a long form shirt-dress features a button-down placket, roll-up sleeves with tab holders, a chest pocket and two hand pockets that add versatile style and function you'll come back to time and again. Columbia offers this shirt dress in multiple colors and sizes. Extended sizing available. Regular Fit. To ensure the size you choose is right, utilize our sizing chart and the following measurement instructions: 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.