Designed for the toughest conditions. 300N buoyancy for utmost safety even when wearing boots, waterproof garments, etc. and allowing a very fast body rotation. HAMMAR hydrostatic activation that prevents unwanted inflation (possible with traditional activation systems). OPTIONAL ISO 12402-8 Fluo spray hood (22.394.10). Safety harness complying with ISO 12401 standards. Comfortable padded collar. Fitted with thigh strap.