I don't find leather gloves to require much maintenance? Just buff in some nikwax leather waterproofing, let it cure, and you're good to go. I haven't needed to really re-do that, then again gloves wear down on me in 1-2 seasons so I haven't had to keep them longer than that.
17 Korua Apollo . 17 Nitro Treehugger . 17 Lib x Lost Mayhem Short Fat . 17 Jones Storm Chaser . 17 Ride Warpig . 16 Never Summer Swift
17 Burton Malavita Wing . 16 Burton Genesis X
16 Flow Talon