The Airkraft shirt was made for outdoor endeavors and long days in the sun. The woven, technical nylon/poly blend fabric provides UPF 30 sun protection, wicks moisture and dries quickly. The knit back panel and underarm panels allow for a full range of motion and increase breathability for a cool and comfortable fit. Other technical features include: button down collar, 2 hidden zippered chest pockets and a built-in sunglass cleaning wipe inside the bottom left placket. This shirt is also great for backcountry traveling and mountain biking. Quick-Dry, Moisture-Wicking Fabric, Strategically Place Mesh Panels for Increased Ventilation, 2 Hidden Zippered Chest Pockets, UPF 30 Sun Protection, Button-Down Sun Protection Collar, Sunglass Cleaning Wipe on Bottom Left Placket, Material: Polyester, Nylon, Cotton Knit Mesh, Warranty: Lifetime, Battery Heated: No, Closure Type: Button Up, Wind Protection: No, Type: Shirt, Material: Cotton/Synthetic Blend, Wicking Properties: Yes, Sleeve Type: Long Sleeve, Water Resistant: No, Recommended Use: Paddle, Sun Protection: Yes, Quick Drying: Yes, Moisture Wicking: Yes, Model Year: 2016, Product ID: 418938, Model Number: 8272 WH S, GTIN: 0631411581620