You can Go up a half size if you plan on wearing socks, without socks you can do true to size (I wear 7.5-8 in shoes and stick with the 8 in these)
These are the original & real deal Made by Gypsy Jazz/Very G (amazing quality & super comfortable)
Light-weight rubber sole, soft material on the top, soft Sherpa lining along the inside
Matching kids style is the Lumberjack Sneaker