5th Season - (Mt. Shasta, CA) - closest shop to Ashland that rents AT gear? Great shop with friendly folks. Stop in and say hi.
Get N Gear (Ashland, OR) - try your luck at this used outdoor gear store.
Rogue Ski Shop (Medford, OR) has some AT gear.
SkiMo Co - based out of SLC, UT - has a huge selection of SkiMo gear and great customer service
ONLINE USED GEAR RESOURCES
SkiMo Gear Swap & Forum - https://www.facebook.com/groups/1481122478829758/media