Jackets and pants, suits, shirts, T-shirts, and sneakers. It's best to buy wool sweaters a little larger, as they usually shrink a little after the first wash. Jeans and leather shoes, on the other hand, can be a little too tight when you try them on, as they will stretch when worn. “However, it is important that the shoes are always longer than the foot—measured from the toes,” explains the LLOYD expert. “A thumb's width of space is the minimum, otherwise the toes will bump against the toe cap when walking.”