This custom fit kit for the Velo batting helmet will help reduce the fit by two hat sizes. This fit kit easily attaches to the existing padding by Velcro. Fits models: R16RS, R16RJ, R16S, R16J, R16H2FGS, R16H2FGJ, R16A2S, R16A2J, R16H2S, R16H2J, R16MS, R16MJ