Two years ago I went to a top boot fitter very well known on this forum. I bought expensive boots and custom insoles that were recommended. Last year I lost both toe nails. Already 3 ski days into this year one toenail is turning black and the other is painful.
This only happens if I get any air while skiing. I'm not a big jumper, but some is just part of the sport
Any advise would help. I will say from the trauma my nails are thicker and maybe more prone to injury.