Original designs. Made in the U.S.A.
Current Carry: Skookum Dog Citizen Canine prototype, Founder's Briefcase (every day carry), Small Cafe Bag (every day carry), Shop Bags (groceries, extra random stuff), Aeronaut 45 (travel), Synapse 19 (day hikes), Smart Alec (longer day hikes), Skookum Dog Road Duffel (Medium) (travel), Clear Organizer Wallet, Travel Stuff Sacks, Organizer Cubes
I've had the same issue on both my (beloved) Western Flyer and an original Synapse 19. I too was surprised - the WF zippers started doing it after only a few months of use. The bags have otherwise been fine, and I do love them both.