This Day & Night Combo Blocks Bluetooth, WiFi, And 5G
"Brain Fog" and Sleep Sufferers Are Calling It a Game Changer
March 10, 2025
The strange discovery that has 100,000+ people wearing what looks like a regular cap and beanie, but isn't. One simple piece guards your focus all day; another guards your sleep all night. 24/7, head-to-pillow protection.
If you've been feeling mentally foggy lately, you're not alone.
That afternoon crash. The mental exhaustion. The feeling like your brain is swimming through mud.
Your Brain Is Under Constant Attack (And You Can't Even See It)
We're exposed to unprecedented levels of electromagnetic radiation today.
Your phone. Your laptop. Your smart watch. Even your wireless earbuds.
They're all emitting electromagnetic fields (EMFs) every second of every day.
That constant invisible bombardment is linked to:
Dr. Jennifer Jones, PhD,conducted independent EEG testing on HAVN's products: "HAVN is trailblazing EMF-blocking technology, with unparalleled technical expertise. I was blown away after conducting EEG testing of their products. I strongly recommend anyone exposed to EMF to wear HAVN to mitigate their exposure."
The 3-Minute Brain Scan That Will Make You Rethink Everything
We partnered with Aspen Neuro to test our WaveStopper technology using EEG machines - the same brain-scanning technology hospitals use.
The results were shocking:
Beta and High Beta waves (13–35 hz) - associated with stress and anxiety — showed a drastic increase.
Brain activity normalized within 3 minutes, returning to healthy levels.
You can literally see the stress leave the brain on the EEG readout.
It Puts Your Brain On "Airplane Mode" — Without Disconnecting You From The World
What if you could give your brain a break from the constant electromagnetic noise — without giving up your phone, your WiFi, or your connected life?
That's exactly what HAVN's WaveStopper™ technology does — in the cap you wear by day, and the beanie you wear by night.
It uses the same Faraday cage principle that protects astronauts in space and sensitive medical equipment in hospitals. Pure silver fibers woven into the fabric create an invisible shield that blocks 99.7% of EMF from reaching your head.
Your phone still works. Your WiFi still works. You stay connected.
But your brain finally gets a break — around the clock.
Day And Night — Why Your Head Needs Covering For All 24 Hours
Here's the part most people get wrong: they protect their head for part of the day, and leave it exposed for the rest. But the signals never stop.
You spend roughly 16 waking hours at your desk, in the car, on your phone, under office WiFi. Then 8 sleeping hours in a bedroom quietly full of router signal - your phone on the nightstand, your neighbours' WiFi pouring through the walls.
That's why this works around the clock: a cap for your waking hours, a beanie for your sleep. Cover one and you protect half your life. Cover both and your head is protected all 24 hours — desk to pillow.
Why That "Normal" Brain Fog Isn't Normal At All
The Brain Fog That Won't Quit
You know that feeling when you walk into a room and forget why? When you're reading the same sentence three times? When someone's talking but nothing's registering?
That's your brain trying to function while being bombarded by frequencies it was never designed to handle. Your neurons are literally fighting interference all day long.
Customer after customer tells us the same thing:
Why You're Exhausted But Can't Sleep
Here's the cruel irony: EMF exposure disrupts your natural melatonin production. So you're mentally exhausted from the radiation stress, but your brain can't properly signal that it's time to sleep.
You lie in bed, wired and tired, scrolling your phone (making it worse), wondering why you can't just... switch off.
62% of our customers report improved sleep quality. One customer shared:
Those Mystery Headaches Aren't A Mystery
That throbbing behind your eyes at 3 PM? The pressure that builds throughout the day? The headache that appears every time you're on a long call?
Your brain is literally heating up from EMF exposure. It's like a mild microwave effect happening all day long.
One customer shared:
The Cellular Damage You Can't See (Yet)
This is the part that should worry you most: oxidative stress.
EMF exposure triggers free radical production in your cells. Think of it like internal rust, slowly accumulating. You can't feel it happening, but research shows it's linked to accelerated aging, DNA damage, and long-term health issues.
The World Health Organization classifies EMF as a Possible carcinogen.
The NIH has found links between mobile phone use and increased tumor risk
Still think that brain fog is just getting older?
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78% of Our Customers Report Clearer Thinking Within Days
Based on our customer surveys and real testimonials:
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Navy SEALs, Biohackers & Performance Psychologists Swear By It
This isn't just for people with brain fog. Elite performers across every discipline are using HAVN for a competitive edge:
Recovery is a crucial part of Navy SEALs' training. Wearing HAVN on a daily basis enhances my recovery and supports optimal physical health and mental toughness.Mark Divine, Navy SEAL Commander & NYT Bestselling Author
Whether you're an elite performer or just navigating daily life, HAVN wear actively supports your nervous system and mental clarity.Dr. Michael Gervais, Performance Psychologist to the Seattle Seahawks & Olympians
HAVN is the first apparel that makes you healthier just by wearing it. I wear it on a daily basis, specifically during recovery time. I never travel without it.Ben Greenfield, Fitness Guru & NYT Bestselling AuthorMilitary-Grade Protection That Looks Like A Regular Cap And Beanie
The HAVN cap and beanie use the same principle as a Faraday cage — technology that protects sensitive equipment in hospitals and military installations.
Woven with pure silver fibers, they create an electromagnetic shield around your head, blocking over 99.7% of radiation from:
Independent laboratories have verified these claims using IEEE-299 and EN 62209-2 standards. They block EMF frequencies from 10 MHz to 8 GHz.
Ridiculously Comfortable (You'll Forget It's Protecting You)
We expected something that blocks radiation to feel stiff or uncomfortable. We were completely wrong.
The HAVN beanie is incredibly soft. The silver fibers (over 42% of the fabric) are woven with cotton and acrylic in a way that makes it:
And the cap looks like a premium baseball cap — quiet-luxury styling, with the silver lining completely hidden inside. Nobody knows it's special unless you tell them.
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Pick Your Fit — Four Pieces, Identical 99.7% Protection
HAVN offers two cap styles and two beanie styles — all with identical 99.7% EMF-blocking protection:
100% cotton exterior. Classic baseball cap style with structured crown. Perfect for office, errands, travel, and everyday wear.
Water-resistant polyester. Lighter weight, shorter brim, sport-optimized fit. Ideal for workouts, outdoor activities, or if you run hot.
Soft, stretchy black ribbed knit with full coverage. The classic for sleep and cold rooms.
Softer, thinner, breathable. Perfect as a year-round sleep cap.
"I've been wearing the normal beanie to bed every night for 6 months now, and my sleep has never been better…" - Joann B. (Beanie)
Let's talk price. Yes, this sounds like a lot for a cap and a beanie.
But what's the cost of:
Why It's Less Than You're Already Losing
The set costs less than two tanks of gas. And with 20% off right now, you're looking at our best price.
Our proprietary fabric uses over 42% silver fibers and costs the same to produce as cashmere. Production cost is ~10x that of a normal cap or beanie.
For that price they better be good! They are. Live the life of luxury! I would rather buy these than eat out for lunch 3 days a week!
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The Uncomfortable Truth: Your Whole Body Is Exposed
Here's what nobody talks about: your brain isn't the only target.
Think about where you keep your phone. Your pocket? Next to your reproductive organs for 8+ hours a day?
That's why smart customers don't stop at the cap and beanie:
Protect reproductive health
Shield vital organs
Full-body protection while sleeping
"I bought every product I could get my hands on from HAVN and I can honestly say that the products are worth the investment."- Ryan B.
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Even The Skeptics Can't Argue With How They Feel
The Science Is Clear (Even If You Don't Want To Hear It)
I was blown away after conducting EEG testing of their products. I strongly recommend anyone exposed to EMF to wear HAVN to mitigate their exposureDr. Jennifer Jones, PhD
Neuro Aspen Institute
The NIH has published multiple studies about EMF exposure and health effects. The CDC has issued warnings regarding EMF exposure. Independent labs have verified our 99.7% blocking claims.
It's also HSA/FSA eligible and backed by military-grade certifications:
The question isn't whether EMF affects you. It's whether you're going to do something about it.
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What 100,000+ Protected Brains Are Saying
This beanie has made all the difference for me. At first I was skeptical, but I decided to give it a shot. I actually sleep with it, and I'm sleeping deeper and longer. I feel so rested when I wake up. I'm an incredibly light sleeper, and this is a game changer for me.
I wear it in the house when I'm at the computer. Brain fog is no longer an issue, nor computer fatigue. Very well made.
Very surprised when it arrived. Fits perfect and is so soft. I wear it to work daily and have noticed a huge shift in my energy. My heart feels calmer.
I have less fatigue when I wear both the shirt and the cap, and improved sleep when I wear it while sleeping.
Every Day You Wait, The Exposure Continues
Right now, as you read this, your brain is being bombarded by:
Every day you wait is another day of:
Or you can join 100,000+people who've already taken control.
Your brain is your most important asset. Isn't it worth protecting — day and night?
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Frequently Asked Questions
Does it really block 99.7% of EMF?
Yes. Independently tested and certified by leading laboratories using IEEE-299 and EN 62209-2 standards. The testing covers frequencies from 10 MHz to 8 GHz, including 5G, WiFi, Bluetooth, and cellular signals.
How quickly will I notice results?
Results vary by individual. Some customers report immediate relief from headaches within minutes. Most notice improvements in mental clarity within 3-7 days. Sleep improvements typically reported within the first week.
Will my phone and other devices still work?
Absolutely. The cap and beanie only block EMF from reaching your head — they don't interfere with device signals. Your phone, Bluetooth, and WiFi will all function normally.
Why both a cap and a beanie?
The beanie is softer and fits comfortably on a pillow for sleep; the cap is built for daytime wear. Together they protect your head across all 24 hours.
Does the protection degrade over time?
No. With proper care (cold wash, gentle dry), the silver fibers remain intact and the protection doesn't diminish. The fabric is designed to last for years.
Is it actually comfortable for all-day wear?
Yes! The blend of silver fibers (42%), cotton, and acrylic creates a soft, breathable fabric. It's naturally antimicrobial so it stays fresh longer. Customers regularly report sleeping in it comfortably.
Will it make my head sweaty?
No. Despite the silver content, the fabric is breathable and moisture-wicking. It regulates temperature well.
Does it look like a normal cap and beanie?
Completely. The beanie is a stylish black ribbed knit and the cap looks like any premium baseball cap. The silver shield is hidden inside. No one will know unless you tell them.
Will it fit my head size?
The stretchy material accommodates most head sizes. It actually molds to your head shape after the first wash for a perfect fit.
Can I wear it under other hats?
Yes, it's thin enough to layer under other headwear if desired.
How do I wash it?
Machine wash cold with your regular detergent. Hang dry or tumble dry on low. Do not use bleach or fabric softener. Wash with similar colors.
How often should I wash it?
Thanks to the antimicrobial silver fibers, it needs less frequent washing than regular beanies. Most customers wash weekly or bi-weekly with regular use.
Will washing damage the EMF protection?
No. The silver fibers are woven into the fabric, not applied as a coating. They won't wash out with proper care.
Can I iron it?
We don't recommend ironing as high heat may affect the fabric blend. The beanie typically doesn't wrinkle with normal use.
Why does it cost this much?
Are there cheaper alternatives?
There are other EMF products, but none match our combination of protection level (99.7%), comfort, style, and scientific validation. Cheaper alternatives often sacrifice protection or wearability.
Is there a bundle discount?
Yes! Save 20% when you buy multiple items or complete protection sets (beanie + shirt + underwear).
Do you offer payment plans?
Check our website for current payment options including potential installment plans through our payment partners.
What testing standards are used?
IEEE-299 and EN 62209-2 standards, tested by independent laboratories. All test results are available on our website.
Is the silver safe against skin?
Yes. Silver is naturally antimicrobial and has been used safely in medical applications for centuries. Our fabric is OEKO-TEX® Standard 100 certified — free from harmful substances.
What frequencies does it block?
Blocks 99.7% of EMF from 10 MHz to 8 GHz, covering:
Are there any side effects?
No known negative side effects. Some people report an adjustment period of 1-2 days as their body adapts to reduced EMF exposure.
What's your return policy?
30-Day Feel Great™ Guarantee. Try it risk-free for 30 days. If you’re not satisfied, get a full refund. We even provide a prepaid return label for US customers.
How fast is shipping?
Orders ship within 1-2 business days. US delivery typically 3-5 business days. International 7-14 days depending on location.
Do you ship internationally?
Yes! We ship to US, Canada, UK, EU, Australia, Mexico, Switzerland, UAE, Saudi Arabia and more. Free shipping on US orders.
Is the packaging discrete?
Yes, ships in plain packaging without EMF or radiation protection mentioned on the outside.
Can I track my order?
Yes, you'll receive tracking information via email once your order ships.
Is this just a tinfoil hat conspiracy thing?
No. The WHO classifies EMF as "possibly carcinogenic." NIH has published studies on potential health effects. Our technology is based on Faraday cage principles used in hospitals and military applications.
Will TSA or security have issues with it?
No. It's just clothing with silver fibers. Thousands of customers travel with it without issues.
Can children wear it?
Yes, we have customers who buy them for their whole family. Children may be more sensitive to EMF, making protection especially important.
What if I’m skeptical but curious?
That’s why we offer the 30-day guarantee. Many skeptics become believers after experiencing the difference. As one self-described skeptic put it: "Maybe it’s placebo or maybe it’s legit, but either way I love this thing." — Peter B.
Can I wear it if I have metal allergies?
Most people with metal sensitivities have no issues as the silver is woven into fibers, not directly touching skin. However, if you have severe silver allergies, consult your doctor first.
Is HAVN a legitimate company?
Yes. We've been in business since 2016, with over 100,000 satisfied customers, proper certifications, and transparent testing results.
Where is HAVN based?
We're a US-based company with products manufactured to our specifications using proprietary WaveStopper™ technology.
How do I contact customer service?
Email: hello@havnwear.com We typically respond within 24 hours on business days.
Do you have a warranty?
Yes, we stand behind our product quality. Contact us if you experience any defects in materials or workmanship.
Are there other products available?
Yes! We offer complete EMF protection including t-shirts, underwear, blankets, caps, and more. Visit havnwear.com to see the full collection.
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