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BIFL compression garments
(readit.buzz)
@RosalieMorgan I purchased a pair of Physix Gear compression socks about four years ago, but I haven't worn them often enough (basically only when flying long haul) to know if they're BIFL. IIRC I settled on the brand because of a BIFL subreddit recommendation.
I've been using socks from here: https://procompression.com/
However I don't think this type of socks is really BiFL. The elastic in them will get tired, and I have had several doctors recommend replacing them after 6 months because of it. I tend to agree with those docs as I have found that the elastic does stretch over time and they do not have nearly the compression after 6-12 months than when new.
For practical, durable and quality made products that are made to last.