[Product Information]

• 1. Max head circumference: 24.4 inch; Minimum head circumference: 20.4 inch; Inner shell Material: imported black EPS
• 2. The ventilation slats in the top of the helmet breath correctly and the headlamp clasp-things on the front and back are a really nice feature.
• 3. The chin strap and buckles are placed just right so that nothing rubs uncomfortably on my face， jaw， chin， etc.
• 4. The helmet is pretty comfortable and ridge， really light， sturdy and very portable ， its fits perfect when you adjust the straps and twist the knob in the back.
• 5. Easy release for when you remove it， you can use it to fine tune a tight fit on your head， Straps are easy to adjust and are soft not to bite into your neck. Extremely light， extremely comfortable， breezy， easy adjustments.