This high-gauge type steel frame, compliant with the 2024 SG standard, weighs a mere 540g. This product, developed with all the expertise of Ise Shinpan Honpo, is compliant with the 2020 SG standard. It bears the "SG Mark" and "JSBB Mark." This is a completely new product, created from the mold used to manufacture the mask. It can also be used in high school baseball if stealth tape is applied. <Material>: Carbon Steel <Weight>: 540g <Shape>: High Gauge, compatible with umpire hats Includes two bags.