Launching summer 2026 · Reserve your spot

Beat the heat without taking off your cap.

Kool Breasy is the cap fan that slips onto any baseball cap you already own and channels a steady breeze straight to your forehead — making the heat you feel drop by up to 12°. Whisper-quiet, 89 grams, 8 hours on a charge.

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Golfer wearing the Kool Breasy cap fan on the course

12°

cooler on your forehead

<30dB

whisper-quiet

Built for real life

Wherever the heat finds you

If your day puts you under the sun, Kool Breasy keeps a breeze on your face so you can stay out longer and feel better doing it.

Man wearing Kool Breasy on a sunny golf course

On the course

Eighteen holes, full sun, not a tree in sight. Stay cool and focused through the back nine.

Man wearing Kool Breasy at an outdoor ballgame

Ballgames & sidelines

Bleachers, dugouts, and travel-ball tournaments. Cheer them on without melting.

Worker wearing Kool Breasy on a job site

On the job

Roofs, lots, job sites, and lifts. A breeze that lasts the whole shift, hands-free.

On the water

Open water means open sun. Fish and boat longer without baking on the deck.

Yard & garden

Mowing, weeding, and the whole Saturday grind — minus the heat headache.

Festivals & tailgates

Concerts, fairs, theme parks, and parking-lot parties under a blazing sky.

Why Kool Breasy

A cap was never built to cool you.

It shades your eyes, sure — but it traps the heat right against your head. Sweat pools under the band, the brim turns into an oven, and by the back nine or the third inning you're cooked. People have tried everything to fix it. Nothing quite works.

Handheld fans

Cool for a second — until you need both hands for the club, the rod, or the wheel.

Neck & clip fans

Bulky, buzzing, and blowing hot neck air. They get in the way more than they help.

Just toughing it out

Headaches, soaked hat bands, and cutting the day short because the heat won.

Kool Breasy slips onto the cap you already wear and turns it into a hands-free personal breeze — hidden under the brim, aimed right where the heat builds.

The science, simplified

How Kool Breasy cools you down

It doesn't just blow air around. It pulls a cool stream in through the top, tunnels it under the brim, and aims it right where the heat builds.

Air enters up top

Vents on top of the unit pull in fresh, cooler air from above the brim.

Through the tunnel

The patented air-tunnel channels that stream down and under the bill — not just out into the open.

Right onto your forehead

The breeze isn't sprayed across your face. It lands on the part of your head that traps heat under a cap, the part you actually feel.

Moving air lifts the sweat-heat off your skin and carries it away, that's evaporative cooling. And because blood vessels run close to the surface on your forehead, cooling there doesn't just feel good, it actually drops your core temperature. That's why the heat you feel drops by up to 12°.

Kool Breasy fan unit slipped onto a navy trucker cap

Engineered to perform

A real cooling system — not a gimmick fan

Most clip-on fans just spin and hope. Kool Breasy's patented air-tunnel directs every bit of airflow at your forehead, the one spot under a cap where heat builds up worst, and where your body sheds heat fastest. It's targeted cooling, not a fan that happens to point at your head.

Directed airflow aimed at your forehead, not scattered into the air.
Just 89 grams — balanced so your cap never feels weighed down.
Built for long hours in the sun: work, play, and everything between.

Why it works day after day

Powerful where it matters

Whisper-quiet

Under 30 decibels on every setting. Stay focused on your shot, your job, or your conversation — not the hum.

8-hour battery

Three airflow speeds and up to 8 hours on high. Tops up fast over USB-C between rounds.

Built to take it

High-impact ABS housing shrugs off drops, sweat, and the rigors of the outdoors.

Kool Breasy cap and fan unit resting on a golf cart seat

Effortless fit

Slips onto any cap in seconds

No tools, no straps, no modifications. Our patented slip-on design grips flat, curved, and extreme-curved bills — slides on in seconds and stays put, then comes off just as easily when you're done.

Fits flat, curved, and extreme-curved brims — any cap you already own.
Patented slip-on hold — no clips, straps, or tools.
One-button cycle: low, med, high, off.

Reserve your spot

Lock in your launch discount for $1

Refundable $1 deposit reserves your spot at the launch price of $49 ($69 MSRP). Free shipping in the continental US.

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