The ultimate in performance and comfort. Incorporating new and improved hydrostatic inflation technology, and a durable and easy-to-use SecureZip™ PFD closure system, the Auto Hydrostatic Inflatable Vest with LIFT™ is a lightweight inflatable PFD designed with a shorter length and a low and flexible profile to ensure total mobility during even the most rigorous activities. Made primarily for performance sailors and power boaters, and security and rescue professionals, the Vest is also an excellent choice for individuals who desire added protection. Engineered with the revolutionary LIFT PFD design, the Vest delivers a high level of safety for users in variable wind and wave conditions by elevating the mouth out of the water by up to 9 inches (23cm). Known as freeboard, this increase in elevation has been shown to reduce underwater mouth immersions by 80%, increasing the chance of survival in accidental immersion situations. Hydrostatic Technology Hydrostatic pressure is applied to objects submerged in water. The new hydrostatic inflator needs only to be submerged 4 inches (10 cm) for hydrostatic pressure to open a pressure valve which releases a firing mechanism that automatically inflates the PFD Reliable Inflation The PFD inflates under hydrostatic pressure and will not inflate prematurely due to rain, humidity or water contact (the PFD can also be inflated by pulling the activation cord). Low Maintenance No inflator maintenance is required for five years, unless fired. Safety Inspection Window Easily view the inflator replacement date and inflator status through the safety inspection window - green indicates ready for use. SecureZip™ closure Born from our research in military applications, the patented SecureZip™ closure system keeps the PFD closed during the most rigorous activity, makes the PFD easy to repack and effortlessly opens upon inflation. SIZE UNIVERSAL ADULT (30"-52" CHEST) AGE OVER 16 YEARS, WEIGHING 36.3 KG (80 LB) AND OVER