The Just1 J39 helmet offers a perfect fit, allowing you to focus on what matters most—riding. Its removable and washable interior enhances comfort and convenience after every ride, while the Emergency Cheek Pad Removal (J.1.E.R.) system provides an added layer of safety that you hope you never need to use.

Features:

• High-quality thermoplastic resin external shell
• 2 shell sizes and 3 EPS sizes for a custom fit
• J.1.E.R. Emergency Cheek Pad Removal System
• Double D retention system for secure fit
• New inner-lining design for improved comfort
• Removable and washable inner lining
• 8 intake and 6 exhaust vents for optimal airflow
• Peak extension included
• Smaller shell size (XS/S/M) fits head sizes from 53 to 58 cm
• Larger shell size (L/XL/XXL) fits head sizes from 59 to 63 cm
• Weighs approximately 1350g (+/- 50g)
• Complies with ECE 22.06 standards