1. Introduction. Approximately 10% of the U.S. population regularly participates in endurance running (ER). 1 Almost all of them run in highly cushioned shoes with elevated heels, stiff soles, and arch supports, designed to increase running comfort, especially on hard substrates. 2 However, throughout much of human evolution humans ran barefoot. Top 12 Best Running Shoes For Flat Feet - Women and Men. 1 - Brooks Adrenaline GTS 17 - ASICS GT 6 - Saucony Echelon - Mizuno Wave Inspire 5 - New Balance V4. Find helpful customer reviews and review ratings for Superfeet Black Premium Insoles at binaural.info Read honest and unbiased product reviews from our users.