Research has shown that everyone has mismatched feet in one dimension or another. In purchasing a pair of LOWA boots it is important to measure both feet and begin fitting the larger of the two feet.

Lowa have devised a Fitting System which helps to optimise the fit on the smaller foot with the addition of a SHIM which fits under the footbed in the boot to effectively reduce the volume by approximately half a size. Should the disparity between the two feet be more extreme then two shims can be used to further improve the outcome.