SOLAS Type 1 Adult Life Jacket – OrangeThe ONLY lifejacket to have earned four regulatory approvals in one compact design.  After several years of extensive design and testing, Mustang Survival is proud to announce the 4-ONE.Stack vests head to toe and front to front, for optimal space savings.  When stowed properly, two vests stacked on top of each other will take up just 11-1\/2\