Instruction: Output yes if the supporting document can answer the given question. Otherwise, output no.

Input:
Question: does the mask cover the back of the head
Document: Just what I expected from a JT brand Airsoft Mask!Good quality, durability, breathability, and a whole lot of -ilities.I expected it to cover all of the back of my head, but it only covers halfway.Shouldn't be a problem for airsoft guns that go 350 fps, but if you're playing serious with higher fps guns, getting hit in the back of the head might hurt.
Very protective and has lots of view to see around in. Comfortable too. Only thing bag is the back neck area is not covered and leaves that area exposed. I suggest a ski mask to cover that spot up for protection.
works great with my glasses, I did find the head cover to be uncomfortable and almost impossible to re-attach but the mask itself is great.
Overall it's a good helmet. The way the skull cover attaches to the rest of the mask is pretty weak, so I'm sure that over time it will break. There are also no adjustments to the cover, and since I have a large head it's too small and tight. With it removed, the mask is very comfortable. Had I been able to try this on before I bought, I'd have selected a different mask, but only based on personal characteristics.
I bought this mask because I kept getting shot on the top of my head when I went paint balling and I kept getting massive goose eggs. This helmet has complete coverage for my entire head except the base of my skull on the back but I'm fine with that.
so I bought this face mask thinking that I will need it for my next game. in high hopes that it would give me no worries about getting hit in the back of my head. it wasent a let down in that aspect however there is some things that are bad about this productComforton the comfort side of things it is  a bit concealed in the fact that when you try to put this mask on you have to fight with it and if you have a bit larger of a head it gets uncomfortable.
It is a pretty good mask. I've had mine for about a year and a half now. The visor prong might end up breaking if you hit it the wrong way. The grey mouth piece is just for looks. It will end up falling off sooner or later. But overall its great for people who don't like getting hit in the back/side of the head. you may have to put anti-fogger on the lense in colder weather. I'd definitely recommend this to someone else.
This headshield was AWFUL. The only thing this headshield did was make me a target. No ability to see whatsoever after about 5 minutes of play. Fogged right up and turned my head into a bullseye because I couldn't find cover - COULDN'T SEE. This thing is advertised with an 'anti-fog' coating sticker in the image on this site - and is also shipped with the anti-fog sticker on the goggle lense. Couldn't be further from the truth.
This mark is perfect. I use it to play paintball. What originally drew me to this mask is the fact that it's full coverage and also it is modular (you can remove top&back, and shade attachment). Good quality plastic and easy to clean. The lens is fog resistant and it does work.
Awesome helmet. Has a back part to protect the back of you head. Very breathable. Only problem I had was with the goggles. I played for about an hour and a half and towards the end they started to fog up. Not the biggest deal at all and I should probably have sprayed an anti fog type spray. For the price I would definatley recommend this helmet and goggle combo.
Answer: yes