Wet neoprene increases in size by roughly 10%, depending on thickness and materials. We use both external and internal neoprene layers to minimize this effect. Dual-Layer neoprene keeps the vest fitting as intended and helps to reduce chest expansion in the water.
There are two ways to keep a life jacket as light as possible: reduce water absorption and use the lightest materials we can get our hands on. Our featherweight foam is the best of both worlds, no kidding, feel for yourself.