Not sure if any of the women OTP are interested in helping Endura cater to those who need larger sizes than currently generally on offer. They're looking for women who are 16+ to join workshops on women's fit.
https://surveysatpentland.typeform.com/to/rLCnnJFUDisclaimer: I am not involved and have not investigated this to see what's involved, I just think more inclusive sizing for kit is an excellent idea.
Sam