Mustang Survival Young Adult Rev Foam Vest - Youth- MV3600This PFAS free front entry Rev Foam Vest is the perfect fit for young adults in the 88 110lb(40 50kg)range. We created this PFD with specially designed interior panels that form to the body and provide a better fit for young adults(28 32" chest size)than a size small adult vest. The segmented foam lets them move freely, while the zipper closure keeps the vest snug. The mesh back manages temperature and is cooling on hot days. Plus, a handy accessory