It can adjustable through the buckle according to your weight, and added extra adjustable g strap.
EPE foam is very suitable for professional life jackets and floating vests.
Buoyancy Loss < = 5 % after 24 Hrs in water. The special collar design can always keep your head up to avoid danger.
Water Repellent / Resistant. Constructed using multiple layers of Ultralight EPE foam for maximum flexibility.