(EN ISO 12402-3 / 12401) With zip closure Buoyancy: Category 150 N, actual buoyancy 165 N (33 g CO2 gas bottle). Ergonomic design: Ergonomically rounded and comfortable cut, very easy to put on, front foam reinforcement integrated into the strap, side support for greater comfort Visibility of the inflated vest: yellow air chamber + 300 cm² of retroreflective strips. 40 mm polypropylene support band: ensures a perfect fit of the vest when inflated. Control window: helps monitor the status of the mechanism. Control window: helps monitor the status of the trigger mechanism. Hammar models feature a mesh grille for easy access to the water inside and quick triggering Harness with lighter textile sling for holding the lifeline (lifeline sold separately)