BAUER HH5000 Dual-density liner combines expanded polypropylene (EPP) foam with strategically located comfort foams for lightweight protection, precise fit, and immediate comfort Applied to the inner lining is the new MICROBAN built-in antimicrobial protection for inhibiting the growth of odor-causing bacteria, mold, and mildew Three distinct shell sizes (S, M, L) provide optimal fit and ventilation for consistent performance Tool-free adjustment mechanisms provide easy fit customization, improving fit and increasing protection Certified CSA, HECC, CE