As the title says really, weather is cooling off and I just realised he's grown out of all his 18 month-2 year vests. I'm assuming the next size up are just vests without poppers underneath? When did you stop using them? Thanks 

Like wise, he'll wear a vest until I stop choosing his clothes for him and checking that he's tucked in.I honestly can't remember when we stopped using popper vests probably around 2. He'll wear a normal vest until he is old enough to tell me he doesn't need one anymore!