Most importantly, this flap is your Manual trigger. Simply grab it and pull. A CO2 cylinder inflates the chamber instantly. Easy for even a gloved hand. This is the same material used in the life vests found on military and commercial airlines.
Every garment also has a built-in oral inflation tube.
It also provides a means to periodically test the chamber s integrity. NP500-The traditional jacket in any outdoor wardrobe. A 100 percent taslan nylon shell wrapped around a windstop fleece lining. Wind resistant, cozy, and fast drying. Water-resistant coating adds to the versatility of this favorite.