T W.
Wear my cap daily/ brain fog kept at…
Wear my cap daily/ brain fog kept at bay… Thanks so much
Response from HAVNOct 14, 2026
Daily wear is where it actually pays off, so you're doing it right. Thanks for coming back to say so.

HAVN combines material science and advanced performance fabrics to create clothing that blocks 99% of UV and wireless radiation and supports your wellbeing and long-term health. Discover the first protective apparel you’ll actually want to wear.
HAVN (getlambs.com) has 260 customer reviews on Five Star Index, with an average rating of 3.7 out of 5.
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Showing 157 reviews with 5 stars · Clear filters
T W.
Wear my cap daily/ brain fog kept at bay… Thanks so much
Response from HAVNOct 14, 2026
Daily wear is where it actually pays off, so you're doing it right. Thanks for coming back to say so.
Susan
I love my beanie! I have been sleeping with it on and am feeling better already.
Response from HAVNOct 14, 2026
Feeling the difference after a few nights is a fast result. Hope it keeps going, Susan.
DALE N.
My first thought when I opened the package was I am impressed with the quality of the hat and beanie. I wear the hat all day I feel more alert and my quality of sleep is definitely better
Response from HAVNOct 13, 2026
Day one impressions are nice, but better sleep is the one that actually matters. Glad that showed up for you too, Dale.
Ghee B.
It works. It is true
Response from HAVNOct 13, 2026
Short and to the point. Glad it's doing its job!
JD
Excellent product, I notice the difference immediately
Response from HAVNOct 13, 2026
Immediate is what we hope for, though plenty of people take a week or two to feel it. Glad it was fast for you, JD.
Barbara J.
It was a gift and she is very happy with it. That's all I can say .
Response from HAVNOct 13, 2026
A happy recipient is all we need to hear!
Jenika
The size guides are accurate and the clothes are so comfortable. I love my top and will be getting more!
Response from HAVNOct 13, 2026
Good to know the size guide held up, we put real work into getting that right. Enjoy the top, Jenika.
Bernard M.
One of the things I notice right away was sleeping thru the night. I am 74 and an early riser.
Response from HAVNOct 13, 2026
Glad it came quickly for you, Bernard.