A lifelong Alaskan, I've gone through lots of trial and error trying to find just the right bottom set - up for winter running / hiking. (thenorthface.com)
Done for a lesson observation, triple outstanding with bottom set Year 10s (tes.com)
The study further states that the observed feeding behavior also leads to vulnerability to entanglement in bottom set fishing gear, an issue which is a major mortality factor for the species. (sciencedaily.com)