Safety is a high priority when you go out onto the water, whether you are boating, skiing or recreational sailing there is a PFD that is needed to protect you. here are a few factors that will determine which PFD is right for you and the situation you will be in - your weight, and the water classification in which you will be in. So for a more enjoyable outdoor experience make sure you and your safety are taken care of. Level 100 PFD's have sufficient flotation to support the body and head with a flotation collar designed to assist the wearer in keeping their head above water. Level 100 PFD's also feature hi visibility colours and reflective tape and are suitable for offshore applications. Level 50 PFD's assists the wearer to stay afloat but does not have a collar to assist with keeping the head above water. Level 50 PFD's also feature high visibility colours and are suitable for general purpose applications in inshore conditions. Level 50S PFD's have the same buoyancy as level 50 PFDs however hi visibility colours are not required.Level 50S PFD's are suitable for general purpose applications in inshore conditions where assistance is readily at hand. Always check local regulations and always select an appropriately rated PFD for the weight of the wearer and the type of water.