This resembles chitin armor, but adds a sturdy breastplate crafted from a monstrous scorpion’s abdominal carapace and a helmet assembled from chitin plates. Again it can be substituted for Monstrous Crab Chitin for aquatic climates and cultures with no change to the statistics.
Cost: 300 gp
Armor Bonus: +4 Maximum Dexterity Bonus: +4
Armor Check Penalty: –3 Arcane Spell Failure Chance: 20%
Speed (30ft): 20 ft. Speed (20ft): 15 ft.
Weight: 20 lb.
Source: Races Of Eberron