Easy to adjust, simple to fit and extremely Hi-viz None for the price
I bought 2 of these for my sons and am very pleased that they fit both despite a 14 month age gap. They are fairly bulky but you can see that in the photos and it didn't stop the boys enjoying their trip out on the boat. I don't think that they would be suitable if you needed a full range of movement for longer periods but they are perfect for what I needed them for and that was to give me peace of mind that my boys would be safe should there have been an incident.
Good fit, looks safe and reassuring when sailing -
My daughter enjoys blowing the whistle
easy fit simple and straight forward no negatives
this is an essential piece of equipment if you want to play with boats on water .I liked the whistle safety added on .