I am having troubles with the stock Garmin silicone strap, it causes skin irritation. They say that nylon straps usually cause less skin problems, unsure how well sensors work in that case.
There are a couple of designs, do you know which works best?
https://www.aliexpress.com/item/1005003346517959.html
https://www.aliexpress.com/item/1005004895993282.html
https://www.aliexpress.com/item/1005004224687777.html
I use these https://www.aliexpress.com/item/1005003754789170.html
Forget the ones clips that connect to the watch. They are loose and cheap.
I went through testing a heap of bands and the type above I have been using for over a year with zero issues