This Mosquito head net is Military issue. It is made from Ultra Fine mesh ensuring that even the smallest bug cant get in. 100% Polyester Fabric. One Size fits All. No chemical treatments are used (ensuring no reactions). Nato Stock Number NSN 8415-99-275-5299. Wether you are operating on a military excercise in the Jungles of Brunei or hiking in the rain forests or even enjoying the Scottish Highlands this micro head net will make a massive difference to your ability to carry out your tasks or even your enjoyment. The net has a breathable micro fibre top and a very fine mesh material which allows excellent visibility and comfort. The elasticated neck allows for quick, easy use and snug fit.