Our Run 619 zero drop, no arch support, foot forming cushion insoles are a perfect addition to running shoes , hiking boots, work shoes, barefoot or minimalist shoes, sneakers or any footwear that accepts a shoe insert. Use our thick inserts as replacement insoles for shoes or under existing custom orthotics for an addition layer of shock absorbing cushion space permitting. Our insoles come in 7 sizes, can be trimmed to a truly customized fit and work equally as well for both men and women.