This Fast PJ style helmet cover comes with hook and loop on the inside to attach in seconds to your helmet with no additional modifications needed. It has hook and loop all around to mount your IR patches and gear. It also has loops along the side to run your wiring for night vision and your communications. You can even use it to put glow-sticks. Made of mil spec fabric not the cheap materials made elsewhere so that it can last as long as you do. It comes in different sizes and colors.