Made from an ultra-durable, water-resistant 600D Polyster fabric- Easily adjustable elastic side straps that expand and contract with heavy breathing- The Stark Weight Vest is designed to hold our medium sized Smooth steel plates—front and back without the restrictive bulkiness- Adjustable shoulder straps with enhanced rear yoke padding for proper weight distribution- The STARK vest weighs 1.6kg/3.5Lb on its own, and can be ordered as part of a package with a set of compatible plates- Our laser cut steel plates are available in 10LB - 14LB - 20LB and 30LBIMPORTANT1- Vest Weights/Steel plates are sold in pairs2- Weight refers to the whole vest weight including 2 plates (ex.: if you are buying 10LB plates means that you will be carrying a whole weight of 10LB.Also The Stark Weight Vest is designed to hold our medium sized Smooth steel plates—front and back without the restrictive bulkiness - The STARK vest weighs 1.6kg/3.5Lb on its own, and can be ordered as part of a package with a set of compatible plates - Our laser cut steel plates are available in 10LB - 14LB - 20LB and 30LB IMPORTANT 1- Vest Weights/Steel plates are sold in pairs 2- Weight refers to the whole vest weight including 2 plates (ex.: if you are buying 10LB plates means that you will be carrying a whole weight of 10LB