Built for strength and priced for value, the Just One J39 Motocross Helmet offers exceptional durability and comfort for dirt biking enthusiasts. Crafted from high strength thermoplastic resin, this helmet provides superior protection across various terrains. Consider the following details to better understand why the J39 is an excellent choice: High Strength Thermoplastic Resin Shell: The helmet's shell, crafted from advanced thermoplastic technology, not only withstands significant impacts but also ensures optimal protection, giving you the confidence to tackle any ride. Two Shell Sizes with Three EPS Sizes: Designed to cater to different head sizes, this helmet combines comfort and a precision fit to enhance safety and stability, making every journey safer and more enjoyable. J.1.E.R Emergency Removal System: This system facilitates quick and safe helmet removal in the event of an accident, enhancing safety by ensuring that emergency responders can act swiftly without additional ris