Do on run big or small?

In its US sizing scheme, most On Running shoes run true to size compared to other popular brands. But before going with your accustomed shoe size, we still recommend measuring your foot length.

What size on running shoes should I get?

Running shoe size is typically a half size larger than your typical shoe size. So, after determining the length and width and your true shoe size, try a running shoe that’s about a half size bigger than your standard shoe size.

Is on running shoes true to size?

On’s high performance running footwear generally fits true to your usual size. On themselves, however, recommend that with their acclaimed waterproof range that you go up one on your usual size. The company’s range of sweat pants are cut to an athletic fit and if you’re prefer a more relaxed style, go up a size.

Do you order a size up for on running shoes?

The further you run the more your foot will naturally expand. This means it’s wise to have just a little extra room (about a thumb’s width) between your longest toe and the front of the shoe. With this in mind, your running shoe should be around a half size larger than the shoe size you usually get.