DefenderShield EMF Radiation Protection Beanie Cap - Blocks Wireless EMF & 5G Radiation (Gray Adult/Large)

Not gonna lie. I was expecting this to be garbage and not block any signal at all. But I put my phone in it and held it shut while my wife called my phone. It went straight to voicemail. Then I opened the hat but left the phone in it. It still wouldn't ring through. When I pulled the phone out, I saw that sure enough it didn't have any signal in the hat. So then I had my wife call my phone, I answered, and then while it was connected, I dropped the phone into the hat. The call disconnected immediately.I'm impressed. I only got the hat today, so I can't speak to its durability. But it certainly does what they say it does.My only complaint is that its a big small. But I also have a freakishly large head. It would be cool if they made a freakishly large size for people like me.

I took a chance and order two beanies without reviews, so I didn't know what to expect. As soon as I received them, I immediately check them by placing our cell phones in side, and couldn't receive calls what so ever. So I have to say, they work. Now for size, I got both adult sizes. They are a decent length and can fold to fit over my ears. I'm pretty much a normal size, but my hubby he has a bigger head than I. Mine was a bit snug, and he had to stretch his out a bit, then slipped it on. He likes it. After sleeping with it, It didn't slip off while tossing and turning, so I guess i like its a little snug. Its been 2 days now of wearing and its stretched out a bit and fits perfectly. I'm glad I bought them and keeping them.

It is a hat for a infant! That part should be clearly marked for those of us who don't see every detail. Have to return it or pay $30 more for 1 that fits

Nice, thin beanie for sleeping or cool weather. Fits my large head. Will have to take their word that it blocks cell and wifi radiation because, like the manufacturer states, cell signal and wifi pass thru the hat when testing with my phone and it does not serve as a full signal blocker. Docked two points because mine was slightly ripped where the manufacturers logo tag was attached on the left and right. I always seem to get irregular or slightly damaged stuff from Amazon nowadays. Repackaged returns and etc. I think my beanie was a factory discard sold on Amazon. My luck is great…

Product looks like it protects, but it's too small and the silver shielding doesn't go down enough to cover the forehead or the lower side of the back of the head.

Great beanie for my baby it works well and is legit. I did the phone test and it really blocked the emf. Recommend and going to get one in adult size for me. Happy with this purchase

I find it too small. The baby size is already toght for my 6mo and the “child” size would not fit a 18 or 24mo. Between “baby” and “child” there’s a lot of room and you might be in the middle without what you want. Be careful and sure about the size. I missed it.The protection silver lining which is what really matters does not extend throughout all the beanie extension, all the edge round does not have it. In my opinion it is a big problem. Shipping and packaging were right.

Great comfy hat, sleep seems to be better.