Simms Guide Shirt -features: Built from our trustworthy and proven poly-nylon ripstop blend, this woven fast-drying fabric has protected our anglers from the sun for over a decade Classic point collar for a crisp look and casual feel, center back locker loop and button-front closure. Finished with shirttail hem, self-fabric side seam gusset and convenient sunglasses chamois Left chest drop-in pocket with welt closure, stacked with a bonus hidden zippered pocket. The right chest pocket closes with a vertical zipper. Pockets are lined with mesh for water drainage and quick drying FABRIC TECHNOLOGY: 75% polyester/ 25% nylon, 90 gsm ripstop woven heater with MCS + UPF blocker