Just searching through individual slots on:
http://wiki.project1999.com/Category:Monk_Equipment
sorted by weight.
For shoulders, other than the drovarg mantle,
http://wiki.project1999.com/Meditative_Blanket
supposedly dropped by a lvl 45 in TT on the forager cycle. Might be you could vulture one from someone farming that cycle, but it might be a very, very long camp.
For pants:
http://wiki.project1999.com/Crescent_Pants from Dalnir
http://wiki.project1999.com/Drake-hide_Leggings from SolA
http://wiki.project1999.com/Feathered_Leggings cheap. kind of heavy, but then again so are the kobold-hide boots =D
Boots:
as Vellaen mentioned, kobold-hide
also,
http://wiki.project1999.com/Crescent_Slippers
Looks like you should try to find yourself a Dalnir group.