• Huge and Highly Adjustable: Fit all kinds of full-face helmets, fit a good size armored motorcycle jacket and still have room to spare
• Military-grade Materials: The helmet backpack is made of high density double-stitched 900D Oxford & Polyester fabric, water-resistant and tear-resistant
• All Straps Tighten up and Secure: All Straps cinch things down tight enough to feel secure while riding
• Comfortable on the Back: The back area and shoulder strap are designed with breathable mesh padding, which is breathable and comfortable
• Adjustable chest strap and waist belt: Distribute the weight of this hiking backpack around the chest and waist, making our body load more balanced and comfortable