564101 Oregon Pro Helmet Combo

564101 Oregon Pro Helmet Combo.  High-impact and scratch resistant ABS Helmet.  20 ventillation holes and crown shape for maximum breathability.  UV-stabilized helmet shell with rain gutter.  Four-point, easy to adjust harness.  Highly absorbent, removable and washable sweatband.   Anti-slip headband with easy-to-use "pull-push" system for precise snug-fit.  Durable, lightweight stainless steel mesh visor with strong flip-up-and-down function and extended face protection.  Easy up-and-down adjusting earmuff system with optimum, consistent noise attenuation (NRR value 24 dB) and comfortable ear cushions.  Tested according to ANSI Z89.1-2014