Read from the World of Warcraft client build files.
How Crimsonscale Greaves Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Crimsonscale Greaves suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Crimsonscale Greaves is part of the transmog set Jade Guardian's Regalia (Hunter, Shaman and Evoker only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Crimsonscale Greaves Fits
Other Items Named Crimsonscale Greaves
1 other item in the current build is also called Crimsonscale Greaves. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 101930 (101925 to 101935) were usually added in the same batch as Crimsonscale Greaves: the same quest line, zone, vendor or reward set.