Vertx Expedition Short Sleeve Shirt - Men's Mainsail Blue Medium F1 MSB MEDIUM N/A. Equipped with multiple pockets-a chest zipper pocket a zippered cash pocket on the sleeve and two mini hem pockets-you'll have essentials at hand. It's made from durable moisture-wicking abrasion-resistant nylon fabric with stretch knit underarm gussets and a back panel for breathability. Specifications for Vertx Expedition Short Sleeve Shirt - Men's: Manufacturer: Vertx Apparel Fit: Tailored Gender: Male Application: Outdoor Fabric/Material: Nylon/Spandex Features of Vertx Expedition Short Sleeve Shirt - Men's Tailored fit with knit underarm gussets and back panel for breathability and unrestricted movement Moisture-wicking and abrasion-resistant fabric keeps you dry and comfortable Multiple pockets including a zipper chest pocket zippered cash pocket on sleeve and two mini stash pockets at the hem Made from a blend of nylon and spandex with a polyester knit panel UPF 50+ sun protection CCW-compatible design features snap front closure for quick clearing and extra coverage for concealed carrying positions Package Contents: Vertx Expedition Short Sleeve Shirt - Men's Vertx F1 VTX1533 MSB MEDIUM N/A: Expedition Short Sleeve Shirt - Men's Mainsail Blue Medium