Designed with an innovative new system designed to provide a better fit, the Mizuno(R) MFF900 Fielders Mask offers a foam padded liner and heavy-duty steel construction to blend comfort and protection that keeps young athletes safer. Maximum Protection: 3.5mm steel construction Innovative strapping system provides a secure fit PE (polyurethane) foam padding offers a comfortable fit and added protection Additional Details: Matte finish Size: One Size Fits Most For use in softball play only