Material Quality: Crafted from durable PP material, this helmet ensures longevity and safety for all-season use. Customization Option: With a minimum order quantity of 500 pieces, you can customize the helmet with your logo for a personalized touch. Double Lens Design: The double lens design with PC transparent outer and sun protective inner lens offers clear vision in various conditions. Adjustable Head Circumference: With a head circumference range of 54-61cm, this helmet provides a comfortable fit for most users. Neck Warmer Feature: Equipped with a neck warmer, this helmet provides extra warmth during winter rides.