In order to make buying shoelaces easier we have divided the range of laces that goes with dressed shoes, sneakers, boots or trainers.
For dressed shoes round models in shorter lenghts are more common. On sneakers flat laces are more common and their is a wider range of strong colours. Boots on the other hand goes with both flat and round laces, although the latter is more common. On boots, you usually have a bit of thicker / stronger laces and natural colors are common.
Sports and running shoes have a smaller range of models. These laces are often made from polyester. Some are elastic and there are both round and oval variants.