http://wiki.project1999.com/ShadowBound_Armor_Quests
Mid 20s quests, the part from shadowmen can be kinda rough but decent items if you are really in silk still.
If you are human or erudite, Flayed skin is decent and is often given away by people.
http://wiki.project1999.com/Shadowed_Knife can be found on a goblin headmaster (level 25ish) in OOT
http://wiki.project1999.com/Singe in Sol A (level 28) roams up near the top and isn't to bad in your upper 20s to kill can drop
http://wiki.project1999.com/Obsidian_Bead_Hoop
all lowish level stuff that you can get while exping
if you want to buy
Loam encrusted armor can be had for 3-800 slot cept and is decent