Michael F.wrote a review of Giro SuperNatural Fit Kit on February 17, 2017
Familiarity: I've put it through the wringer
Had pain under the balls of my feet. Inserts make a huge difference and I wouldn't ride with out them. If you have arch issues, hotspots, etc. these will help a lot. Buy a pair for your MTB shoes too. Your feet will thank you.