The Hook & Tackle Air/X-100 Bahama Long Sleeve Shirts are made of soft, yet durable, quick dry, stain resistant and water repellent Nylite Nylon. The Air/X-100 Bahama Shirts offer the highest possible Sun Protection, SPF50. Features include hidden button down collar, vented back with CoolMax lining, expandable mesh lined pockets, french tabs (which allow you to convert to short sleeves) and an expandable sun collar. The Air/X-100 ventilation system allows cool air to flow though the zipper secured side vents and allow warm air to rise and escape from the shoulder secured zipper vents. The only patented fishing shirt on the market today. Sizes and colors available as displayed.