Simms Guide Bugstopper ShirtBuilt from Simms proven poly nylon ripstop blend and treated with Bugstopper, this woven fast drying fabric has protected anglers from the sun and bugs for over a decade. Classic point collar for a crisp look and casual feel, center back locker loop, and button front closure. Finished with a shirttail hem, self fabric side seam gusset and convenient sunglass chamois at the left front hem. Left chest drop in pocket with welt closure, stacked with a