This is my second time buying these shoes. I bought them for my older son when he was one, and they were so great, I bought them for my now one year old. I've always bought soft shoes for my kids when they first start walking. It's more natural on their feet, but I never like to pay the $40+ price for shoes they will wear for a few months. I know these aren't the greatest quality, but they've lasted until they outgrew them. Plus, they're super cute!  I love the fact that they have little grippers on the bottom so they won't slip and they won't wear out as easily.
One negative is that they run a little wide. My first pair was a little wide, and this pair seems even more so. I have to Velcro them on really tight. As for shoe size, just measure their foot and look at the size chart. That's what I did, and they fit perfectly.
All and all a great show at a great price!!