The Hydros 50 wing bladder for doubles has a buoyancy of up to 22 kg/50 lbs.
The HYDROS is a double-walled donut bladder system with a quick-release dump valve, K-type inflator, Cordura 1100dTEX outer shell, 440dTEX nylon inner shell, and YKK zipper. The eyelets are spaced 279 mm apart.
