Gauge is not critical for this scarf. Any yarn from fingering weight to DK weight yarn should work. Sockyarn like Lana Grossa Meilenweit Merino works nicely for this scarf:-)
Feel free to link this pattern. If you like to sell items made from my patterns, you may do it, but please honor me as the designer and treat this pattern as you would wish yours to be treated. So please do not sell this pattern. It was designed to be shared for free with people who love knitting and crocheting. Thanks!