Craghoppers' NosiLife travel clothing incorporates a unique permanent insect repellent that is proven to prevent 90% of bites. It provides an effective shield against the dreaded mosquito and the diseases it carries. This shirt is made in SolarDry supplex ripstop fabric which is light, quick-drying and easy to care for. Roll up sleeves and a vented back panel help dump heat. There are five pockets including a hidden passport pocket, and the result is a magnificent shirt for travel to the equatorial regions.