For those of you in the Corps who wear a MICH/ACH, the standard reversible MARPAT cover in Sm/Md fits fine on a large helmet. Look at the Down Range Gear Goggle Retainers. They work in to the slots in the cover to hold all the things you strap to it. Take Shoe-Goo and glue Velcro on to the cover where you need it. The only thing I have on there is a V-lite strobe. I'm not high speed so I don't need anything else.