Skip to content
Welcome! |
Free delivery on orders €35+

Cart

Your cart is empty

Heatwavy ® | Under-shirt Fan

Rated 4.9 | 179 reviews

This powerful fan circulates air 360° under the shirt, preventing sweat stains on the front & back, which means staying cool & comfortable.

❄️

Cool, refreshing and comfortable

⚡️

All day endurance (10-Hours+)

🪽

Simple waist-clip, seamless

Order before 17:00

Ships Monday, Oct 19

Product details

Weight
7 oz / 200 g

Battery
4500 mAh

Charging
USB-C, rechargable

Included
1. Box
2. USB-C Charging cable
3. Manual

Shipping

Country

Estimated delivery: October 23 – October 26
Get free shipping when you spend €25+
Free 30 day exchanges & returns
FAQs

Does the Heatwavy ® | Under-shirt Fan work in extreme heat ?
For sure! This is where it shines by circulating sweat out of the shirt into the air, which means clean shirts and cool skin at all times.


How does the Heatwavy ® | Under-shirt Fan work ?
Clipped on the side of your pants it pushes air into your shirt all around, preventing sweaty shirts. Plus it doubles as a handheld fan.


Is the Heatwavy ® | Under-shirt Fan quiet ?
Yes, it's quiet on the slow mode and makes noticable background noise on the fast mode.

All reviews mentioning the noise have said it was noticable, but not disturbing.


Can the Heatwavy ® | Under-shirt Fan be recharged ?
Yes, with the included USB-C cable.


How long does the Heatwavy ® | Under-shirt Fan last on a single charge ?
Slow mode: 12-hours, normal mode: 9-hours, fast mode: 6-hours.

Less then 1% of customer claim their 30-day return guarantee
Heatwavy ® | Under-shirt Fan
Heatwavy ® | Under-shirt Fan Sale price€29,50 Regular price€43,00

Heatwavy ® | Under-shirt Fan

What makes it special?

This powerful fan circulates air 360° under the shirt, preventing sweat stains on the front & back, which means staying cool & comfortable.

How it works

Simple & Easy

1

Clip it on

Attach the clip to your pants so it's sturdy, and clip your shirt over the fan.

2

Pick your mode

Click the large dot to switch between modes. Options are: slow - normal - fast.

3

Enjoy sweat-free shirts

Now you are as cool as a cucumber and ready for the heat.

Our customers say it better than we do!

4.9
|
179 Reviews
5
Very nice to have for walking anywhere in the summer, i don't sweat nearly as fast because of it.
avatar image
Erica verified
5
Very cooling in my shirt, love the Heatwavy!
avatar image
Sandy verified
5
I am definitely the person who sweats through my shirt on hot days 🤗 Very happy with the Heatwavy
avatar image
Emma verified
5
My mom absolutely loved it!
avatar image
Felix verified
5
I have hot flashes almost on daily basis and i hate the feeling, the Heatwavy has made it a 10x easier to deal with. Thanks!
avatar image
Haily verified
5
When i hike to the top of the moutain every week i take the Heatwavy with me and my stamina doubles.
avatar image
John verified
4.5
Never bought something so quickly before, and haven't regretted it a bit. Very cooling, bit noisy, love it :)
avatar image
Vera verified
5
Bought it after a recommendation from my friend, and wear it almost daily, very strong and nice flow.
avatar image
Lory verified
5
Bought it as a gift for my husband who works outdoors every day, gift was appreciated :)
avatar image
Karol verified
5
Heatwavy is a must for me in the summer. Goes where i go.
avatar image
Michelle verified
5
Sweating is quite common to me and therefore i bought the Heatwavy, which i came to love!
avatar image
Steward verified
5
Love this thing, absolutely love it!
avatar image
Candy verified
4.5
It is a little bit noisy, the rest is all positive, very cooling and easy to use.
avatar image
Fernando verified