Adamantine Pauldron

While wearing this it does not count as armor it is reinforced with adamantine, one of the hardest substances in existence. While you're wearing it, any critical hit against you becomes a normal hit. You can wear this with out armor and over light or medium armor. Can only be worn with a +1 armor or lower.

Requires 13 strength to wear or your movement is reduced by 10 feet

It costs just as much to make this as it would a adamantine breast plate (900gp) 

Notes: Immunity: Critical Hits