Rugged comfort and convenient safety define Stearns Ultra 4000 Automatic Manual Inflatable Life Jacket! With a comfortable fit, this inflatable life jacket turns unconscious wearers face up and effectively keeps your head above water. The easy-to-wear, low-profile design of the Ultra 4000 Automatic Manual Inflatable life jacket from Stearns offers comfort and freedom of movement on the water yet protects you in the event of an unexpected fall in the water. The tri-fold design makes for easy repacking so you can neatly store your life jacket when not in use. Automatic Inflatable Designed to automatically inflate when the activation cord is pulled or you can use the panel tube to inflate it yourself. You will want to visually inspect your life jacket for leaks or tears every few months and service the automatic inflator yearly. Rearm your life jacket with a Stearns PFD 0924 Rearming Kit or a compatible 33-gram CO2 cylinder with bayonet tip. Comfort Inflatable life jackets are designed to be lightweight and low profile offering maximum mobility. This feature minimizes bulk so it fits well over your rash guard or offshore jacket. With its freedom of movement, you can wear this life jacket comfortably for extended periods of time without noticing it. With a two inch adjustable belt with a single buckle, it is easy to don on and off as well as offering a secure fit. Construction Constructed from durable nylon material, the Ultra 4000 Automatic Manual Inflatable life jacket will endure years of wear in harsh conditions. 3M Scotchlite SOLAS-grade reflective material is strategically placed on the nylon shell to enhance visibility in murky conditions. Key Features D-ring for attaching accessories Pocket for storing extra 33-gram CO2 cylinder 3M Scotchlite SOLAS-grade reflective material for increased visibility Fits a wide range of chest sizes from 30"-52" Approved for use on uninspected commercial vessels less than 40ft not carrying passengers for hire Approved for use by individuals 16 years and older weighing 90 pounds or more Tri-fold design provides comfortable fit and easy repacking Attached emergency whistle Includes mesh storage bag, cylinder and bobbin Patented L-Tab webbing catch secures excess belt length