Seller: tripleb-r (2,905) 100%, Location: Spruce Pine, Alabama, Ships to: US, Item: 190564464960 billysstuff Store Gentex HGU 56/P Flight Helmet with Bag & Accesories Folks, can't find a marked size but the Gibson & Barnes Cloth scull cap that will come with the helmet is marked XL and there was another piece of headgear that was marked 6 & 7/8. You will received everything that is pictured. Battery pack to rear left of helmet ( the thing that looks like a black splotch in one of the photos) and a heavier battery pack with an off/on switch with power cord going to back of helmet. Has a double visor-- one clear and the other as you see it plus microphone.. Doesn't look as if it was worn much at all. You will also receive a pair of leather gloves. Don't forget-- the bag comes with the helmet.