I bought a pair of Bedrock Cairn Adventure Sandals when they were released back in 2016. They are my favorite sandals. In addition to being great everyday and hiking footwear in the warmer months, the Cairns are my preferred running footwear year round.
My only complaint with the Cairns was that the adjustable strap would occasionally slip, loosening the sandal. The webbing would only slip a couple of millimeters over a handful of miles. If walking or pedaling I wouldn’t notice it, but when running this allowed just enough movement of my foot across the bed of the sandal that I would eventually develop a hot spot if I didn’t reach down to tighten the strap every 6 miles or so.
I mentioned this in one of Bedrock’s customer surveys. They reached out to me and suggested that when tightening the strap, rather than keeping the loose end of the webbing inline with the part connected to the wing, I kink the webbing slightly forward. This allows the buckle to get a bit more bite. The added friction from this adjustment has eliminated any loosening of the sandal on my runs.