Footprint's Kingfoam insoles come in 3 different thickness, and the 5mm is ideal for most shoes unless they're dress shoes, or running shoes with paper thin insoles. These insoles are heat moldable for a custom fit, and absorbs more than 90% of shock energy. NASA uses the same proprietary material for sensitive electronics protection so you know these insoles will be comfortable! Keep in mind that the size range is large, but that's because you can trim the insole to fit your shoe.