JOBE HEAVY DUTY VEST YELLOW A perfect fit, safety, security and reliable material are the keywords to describe Jobe Heavy Duty vests. Jobe vests for commercial or rental purposes feel like a warm hug on the water. Investing in a proper-fitting vest enhances fun, comfort but more importantly: safety. To keep it easy: every strap-colour represents its own size. No matter if people just chill at the shore, attending a workshop or going out for a boat trip: a heavy duty vest keeps all hearts safe. this Jobe Heavy Duty Vest Yellow in engineered with lightweight PE-foam and strong & lightweight 600 denier nylon. A 50N nylon vest with minimum water absorption is suitable for rental purposes.