Type III: This is the lowest-profile jacket Additionalsport makes with this A lot flotation. You'll enjoy unrestricted arm movement, thanks to the deep-cut arm holes and the comfort of soft neoprene shoulder straps. The B22 is Built for Big H2O paddlers, raft guides or anyone seeking over 22lbs. of design flotation. This jacket has adjustable shoulders with soft neoprene pads, sides and waist belt, as well as new cargo pockets with buckle attachment points and drain holes. This PFD works well with a broad torso and does not fit as well on slender rib cages.