Bell Tx501 Rally Helmet The Bell Tx501 Helmet combines vintage style with modern technology, featuring a fiberglass composite shell and synthetic leather interior across four shell sizes for a custom fit. This helmet is equipped with a retractable sun visor for eye protection and a Velocity Flow Ventilation system ensuring optimal cooling. Features: Fiberglass composite shell construction 4 shell and EPS liner sizes for a personalized fit Xs-Sm, MD, LG, Xl-2Xl Class 1 optics drop-down sun shield Velocity Flow Ventilation system for maximum cooling Removable/Washable synthetic leather comfort liner Premium micrometric buckle closure DOT certified