There are a bunch that style in black but the ones I have found were big bucks. Brooks England Shop online
has some nice stuff but crazy expensive. (actually looked at price, not terrible, $80) Would look great on the Madwagon.
Wonder if waly world "pleather" could be dyed?
How do you turn brown leather boots into full black, without making it look like its been painted, or damaging? - Yahoo! Answers
Found a bunch. Cool learned some thing there. Apparently dyes made for leather will work on imitation leathers too.
Tarrago Self Shine Color Dye Kit with Preparer No.18 Black OUR BEST SELLING DYE (OUR DYES ARE NOT PAINT) IS ON SALE NOW!!!! MOST POPULAR COLOR!!! NOW THE BEST IS EVEN CHEAPER!!! | Devayani Online
Found a ton, just showing that one as an example. Thats pretty cool. It will come up for me some day although I like the classic brown pleather just like Grand Dad had. lol. (pleather, even the name is "odd")