Widely used: The side rails are suitable for various accessories, and the integrated NVG bracket is compatible with most GoPro NVG style brackets (NVG bracket not included). Size: Suitable for head circumference of 23 inches or less. Note: Please check the size picture carefully and measure your head circumference before placing an order. Hard shell design: PJ Type, durable construction, lightweight weight and safe to use, comfortable to wear. Adjustable: The quick release chin strap provides a secure fit and helps prevent the helmet from being lost. Additionally, it comes with an adjustable sling which allows for adjustments to fit both large and small heads. High quality: This unique helmet is crafted from top-grade ABS material, providing superior strength and durability. The overall anti-vibration EPP foam provides a superior level of absorption, while the adhesives provide an extra layer of protection.

Item Weight: 500 Grams. Inner Material: Expanded Polystyrene. Recommended Uses For Product: Airsoft. Vehicle Service Type: GoPro. Outer Material: Acrylonitrile Butadiene Styrene. Special Feature: Adjustable,Lightweight. Size: Small, Large. Age Range (Description): Adult. Color: Black. Brand: QWORK. Date First Available: August 2, 2021. Best Sellers Rank: #310,555 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 10 ratings 4.6 out of 5 stars. : B09BVMSVRN. Size: ?Large. Outer Material: ?Acrylonitrile Butadiene Styrene. Part Number: ?WD5312. Manufacturer: ?QWORK. Color: ?Black. Brand Name: ?QWORK. Item Weight: ?500 Grams. Package Weight: ?0.55 Kilograms. Item Package Dimensions L x W x H: ?10.94 x 9.33 x 6.22 inches.