Perfect buoyancy aid for fishing and wildlife exploration. Three zipped pockets. Two large mesh pockets on the back. Multi point attachment fitting and retro-reflective patches on the shoulders. Features: Buoyancy 50 Newton: - The buoyancy of a lifejacket is measured in the Newton unit. A lifejacket must have sufficient buoyancy to keep the user´s airways above the surface. The vests are divided into different classes depending on the amount of buoyancy, though the actual Newtons number may vary depending on the size of the vest.