When looking for a lifejacket make sure you go with a trusted brand. I mean after all you are trusting your life to this device. The Hyperlite Pro V life jacket is a top choice among watersports enthusiasts of all ages and abilities. This vest is constructed with a unique hinged design which allows for freedom of motion in all directions, while the dispersion of foam among the panels allows for a thinner fitting vest. The armholes of the Pro V are oversized to allow for uninhibited motion. The exterior shell of this vest is made of Biolite material which is breathable, flexible, and lightweight, giving you long-lasting comfort on the water. Segmented foam panels. Two concealed 1.5" straps. USCG approved type III.