The adidas Samoa sneaker generally runs true to size. If you've worn other adidas Originals shoes, you can order the Samoa in the same size. For detailed sizing information, check the size chart linked on every product page, which gives heel-to-toe lengths for men's and women's sizes, as well as EU, UK and JP size conversions. Be sure to see the sizing summary at the top of the reviews section to see verified customer sizing feedback.