The new MARQ series watches also include new nylon straps with metal quickfit releases.
Jacquard-weave Nylon Strap – Heathered Black or Indigo
https://buy.garmin.com/en-US/US/p/pn/010-12738-03
And a new leather strap has been added to Garmin accessories. [h=2]Italian Vacchetta Leather Strap[/h] https://buy.garmin.com/en-US/US/p/610827/pn/010-12738-04#
Being that the watch uses 22mm size straps I can't see any reason why these wouldn't work on the Fenix/Fenix + or other models that use that size. The drawback is the price. Good lawd, it's ridiculously high! $199 for the new nylon or leather