Keep feet comfortable with 1 or 2 pairs of full length insolesr available in s 4 65 m 7 95 and l 10 13r help to stabilise and naturally position the footr constructed from a soft pu foam combined with a supporting tpr base layerr podiatrist designedr can help to treat flat feet fallen arches pronation and plantar fasciitisr designed to be trimmed to perfectly fit your shoesr dramatically reduces impact on the heel and ball of the footr r buying options