Australian Craig Mottram, world championship bronze medallist over 5000 metres and now a coach employed by ON, said the foam under the heel was more important than the carbon plates in the sole, which acted as a stabiliser.

Source: https://www.theage.com.au/sport/athletics/the-super-shoes-that-changed-athletics-20230802-p5dt91.html?ref=rss&utm_medium=rss&utm_source=rss_feed

On its three hulls without stabiliser, the trimaran keeps a good trim, the bow does not dive too much, the stern is very stable, and the dinghy in the garage did not move.

Source: https://bernews.com/2023/02/ellee-makes-first-transatlantic-crossing/