Napoleonic Cavalry Cuirass – 18 Gauge Steel. YOU CAN CHECK OU T OUR OTHER ITEM AS PAR BELOW LINK? This Cuirassier Armor is of 18 gauge steel and brass. The adjustable shoulder straps are brass plates on a leather backing and an adjustable steel buckle with leather strap to secure the lower torso. The interior of the armor is blackened. HAVE A NICE DAY.