"ETH study result:
Compared to the best running shoes, the On reduces the heartrate by 2 beats per minute on average. Some runners saved up to 10 beats."
Video
http://www.on-running.com/index.php?article_id=15
Study
http://www.on-running.com/files/abstract_physiology_publication_sm.pdf
The manufacturer promotes the shoes as "probably the fastest shoes in the world"
Runningwarehouse is carrying them. Did anybody try them? Im thinking about ordering a pair