Dual-fan cooling
Two lower-back fans circulate outside air through the jacket.

AC Vest Co. / Active cooling
Dual-fan cooling workwear inspired by the gear used by outdoor workers across Japan.
Get yours →Dual fan system / 01
Two rear-mounted fans continuously pull outside air into the vest and circulate it around your torso while you work.
Origin / Japan / Summer utility wearProvenance / JP
Walk through Japan in summer and you’ll see construction workers, landscapers, delivery crews, and tradespeople wearing clothing with fans built into it.
There’s a reason.
We thought American workers deserved the same idea.
System 01 / Specification
Two lower-back fans circulate outside air through the jacket.
Inline controller provides multiple fan-speed settings.
Short-sleeve polyester construction for hot outdoor work.
Connect the system to your own compatible 5V USB power bank.
Fans and cable detach before cleaning.
Reflective trim adds visibility in low-light conditions.
Made for direct sun
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01 / 02Dual fan module5V USB connectionAC Vest Co. / System 01
Engineered airflow for hot work. Choose your size and color. Short-sleeve jacket, two removable 5V USB fans, and control cable. Add a compatible power pack below or use your own.
Checkout and payment are securely handled by Shopify.
Component breakdown / 07
Electronics detach. The shell stays practical. Every component is placed to keep the system simple in the field.
01 / Fan housing02 / Controller03 / USB connection04 / Power bank pocket05 / Technical fabric06 / Zipper system07 / Air outlet areasValidation protocol / In progress
We’re documenting the system under real conditions. Results replace claims.
Air path + distribution
Video pending field testDuration by fan speed
Video pending field testMeasured operating sound
Video pending field testReal jobsite conditions
Video pending field testEvidence, not hype
Jobsite documentation and measured tests will appear here.
Awaiting verified materialUnscripted reactions from outdoor workers will appear here.
Awaiting verified materialVerified customer feedback will populate after launch.
Awaiting verified materialQuestions / Answers
Two rear-mounted fans draw outside air into the jacket and circulate it around your torso. Air exits around the collar and sleeve openings.
Yes. A compatible 5V USB power bank is required. Add our power pack on this page or use your own compatible pack.
The jacket requires a 5V USB power bank with enough output for both fans. The optional AC-K9 power bank is listed at 10,000mAh with a USB-A port, digital display, and three built-in cables.
The base order includes one short-sleeve cooling jacket, two removable 5V USB fans, and the fan control cable. Select the optional 10,000mAh power bank to add one per jacket. The jacket and power bank may arrive in separate packages.
Runtime depends on fan speed and the capacity and condition of your power bank.
Remove the fans, cable, controller, and power bank before washing. Follow the care label supplied with the garment.
Yes. The two fan modules and cable detach from the jacket.
The fans produce an audible operating sound. Noise varies by speed setting and surroundings.
Use the weight guidance shown with each size and allow room for any clothing you plan to wear underneath.
The 5V fan configuration is offered in blue camo and gray camo.
The current delivery estimate and tracking options are shown during Shopify checkout.
A slight inflation is normal and creates space for air to circulate through the garment.
