Our HFS segments delivered fourth quarter revenue of $36 million compared to $34 million in the same period last year.

Source: https://seekingalpha.com/article/4586567-target-hospitality-corp-th-q4-2022-earnings-call-transcript?source=feed_all_articles

The Corporation has not yet received a response from the FDA on its proposed HFS protocol.

Source: https://www.gjsentinel.com/news/us/theratechnologies-announces-amendment-to-its-term-loan-facility-with-affiliates-of-marathon/article_034ba582-2b75-56ff-9a06-8e257b3bdc60.html

You get the same minimal sole, with a reasonably wide toe box (very similar fit-wise to the HFS shoe below).

Source: https://www.wired.com/gallery/best-barefoot-shoes/