Yamaha Adult 20VSE Nylon Side-Entry PFD - Black/Gray. U.S. Coast Guard Approved Safety with Comfort and Style. The Yamaha Adult 20VSE Nylon Side-Entry PFD is built for reliability, safety, and comfort-perfect for boating, fishing, paddle sports, and general water recreation. Constructed with heavy-duty coated nylon, this PFD is designed to withstand frequent use while ensuring a secure and comfortable fit. With its side-entry design, adjustable straps, and triple side-release buckles, it's easy