Designed specifically for the XM Tactical Plate Carrier, the unique contoured XM Plate Kits are sold in pairs.
The XM Tactical weight vest weighs 3lbs.
The 20lbs kit requires 2 x 8.5lbs tactical weight plates
The 14lbs kit requires 2 x 5.5lbs tactical weight plates
The 10lbs kit requires 2 x 3.5lbs tactical weight plates
Those plate are not to be used as body armor.