The sidewinder glides through harsh desert landscapes with astonishing fluidity and grace. Sure it's a snake, but a snake so flexible we designed our Sidewinder Shirt to give you that same kind of agility and ease. You'll move effortlessly all day thanks to 4-way flexible DuluthFlex® fabric, underarm gussets and a box pleat. And like its namesake, this shirt is built for searing climates: super-light, 3.2-oz. wicking performance fabric has UPF 30, wicks sweat, keeps you cool. Plus, there's even breathable mesh under the back cape. Super-lightweight performance fabric handles the heat and wicks away sweat Super-flexible fabric plus Reach Gussets® for unrestricted movement No-gap button placket prevents gapping around the gals Button-through tabs for rolling up sleeves Front left pocket zips closed Back locker loop Size: Medium Material: 97% Nylon 3% Spandex Trim fit Machine wash cold with like colors Made in Vietnam MSRP: $69.50