@Appfaff:
Does the 38 really have a 12.9 Thigh?
My guess is that it's a typo, given the 36 is 13.6" and the 40 is 14.5". Should it be 13.9"?
These look really nice. Unfortunately I've got two new pairs of IH jeans and a pair of Roys that were @Giles's castoffs. So I don't need them.