The Base Jump Helmets feature a durable ABS plastic which make them a good choice for gaming purposes perfect for airsoft, paintball and other outdoor activities. These helmets are equipped with removable memory foam pad inner cushions with velcro hook & loop attachments, two 4 position side rails for attaching accessories, front for adapting lights, cameras or night vision, adjustable chin strap with quick buckle to set to your comfort zone. This helmet also includes a 7 piece loop kit with adhesive backing for attaching patches or illuminators. Size:One Size Fits Most - WARNING: California Residents For California Prop 65 Warning