CoolMen Wearable Cooling System
CoolMen is the world's first wearable active cooling system designed to support male reproductive health through controlled scrotal temperature management.
CoolMen combines wearable comfort with innovative active cooling technology, helping support optimal conditions for male reproductive health while fitting naturally into everyday life.
Why You'll Love CoolMen
Active Cooling Technology
Designed to help maintain optimal local temperature conditions.
Discreet Everyday Design
Wear comfortably under regular clothing at home, at work, while travelling or during sleep.
Breathable Support Underwear
Soft, ergonomic fabric designed for extended everyday comfort.
Portable Wearable System
Lightweight external cooling module worn comfortably on the belt.
USB-C Powered
Compatible with USB-C power banks, wall adapters and car chargers.
Flexible Cooling Insert
Soft cooling insert that naturally adapts to the body for improved comfort.
Low-Noise Operation
Quiet cooling system suitable for both daytime and overnight use.
Designed for Daily Use
Created for long-term everyday wear and an active lifestyle.
Size Guide ⌄
Measurements are taken with the underwear laid flat.
| Size | A | B | C |
|---|---|---|---|
| S | 36 cm | 23 cm | 24 cm |
| M | 38 cm | 24 cm | 26 cm |
| L | 40 cm | 25 cm | 28 cm |
| XL | 42 cm | 26 cm | 30 cm |
| XXL | 44 cm | 27 cm | 32 cm |
A – waistband width • B – garment height • C – leg opening width
- Pre-order price: 489 euro
- Future retail price: 548 euro
- Estimated shipping start: September 1, 2026
- Limited first production run: 200 units
- Payment is collected at checkout
- Orders may be canceled for a full refund anytime before shipment
- Shipping dates are estimates and may be subject to change
By placing a pre-order, you acknowledge that this product is currently in production and will ship on the estimated delivery date shown above.
- Coolmen is a Class I medical device certified in accordance with MDR (EU) 2017/745 and is currently available for sale within the European Union only.
- FDA certification and regulatory procedures for the United States market are currently in progress.
- Due to international air shipping regulations, the standard Coolmen package does not include Li-ion power accessories
- Compatible accessories such as a Power Delivery power bank, USB-C cable, and car charger can be purchased separately in the Accessories section.
- Coolmen is not compatible with standard 5V DC power banks.
- The device requires a USB-C Power Delivery (PD) compatible power bank in order to operate correctly.
- A high-quality USB-C to USB-C fast charging cable is also required for proper performance.
- Using incompatible power accessories may result in improper device operation.
- Pre-orders may be canceled for a full refund at any time before shipment.
- Returns are accepted in accordance with applicable EU consumer protection regulations.
- If your product arrives damaged or defective, please contact our support team immediately.
- Please inspect the device and accessories upon delivery and before first use.
- To ensure proper operation and product longevity, always use compatible power accessories recommended by Coolmen.
CoolMen Wearable Cooling System
How CoolMen Works
Using a closed-loop liquid cooling system, CoolMen continuously transfers excess heat away from the scrotal area, helping maintain optimal conditions while remaining quiet, lightweight and comfortable enough for everyday use.
Why Choose CoolMen
Unlike passive cooling methods that gradually lose effectiveness, CoolMen uses an active closed-loop liquid cooling system designed to provide continuous temperature management throughout everyday use.
The lightweight external control unit is comfortably worn on the belt, while the flexible cooling insert fits naturally inside specially designed underwear, allowing discreet use under regular clothing.
Designed for work, travel, relaxation, and sleep, CoolMen combines advanced engineering with everyday comfort, making long-term cooling support practical and easy to integrate into daily life.
Designed for Everyday Life
CoolMen was designed to fit naturally into everyday life.
Whether you're working at your desk, driving, relaxing at home, travelling, or sleeping, the system operates quietly and discreetly under regular clothing, allowing comfortable long-term wear without interrupting your daily routine.
Recommended Use
For best results, CoolMen is intended for regular daily use. Simply place the cooling insert inside the supplied underwear, connect the control unit, and wear the system according to the Instructions for Use.
Consistent daily use over time is recommended to help maintain optimal cooling conditions.
Cooling System
- Cooling technology
- Cooling method
- Cooling insert
- Heat Exchanger
- Active thermoelectric cooling
- Liquid circulation system
- Flexible textile cooling pad
- External wearable module
Comfort & Design
- Underwear material
- Fit
- Noise level
- Wearability
- Breathable stretch fabric
- Ergonomic everyday fit
- Low-noise operation
- Designed for daytime & sleep
Power & Charging
- Power input
- Voltage
- Power source
- Compatibility
- USB-C fast charging
- Negotiated via USB Power Delivery (9V / 12V)
- External USB Power Delivery compatible source
- Power banks & USB-C PD adapters
Dimensions
- Heat exchanger size
- Cooling insert size
- Tubing length
- System type
- approx. 140 × 70 × 45 mm
- approx. 100 × 100 mm
- approx. 80 cm
- Belt-mounted wearable unit
Frequently Asked
Questions
What is CoolMen and what is it used for?
CoolMen is a wearable medical device designed to support male reproductive health through controlled scrotal cooling. Elevated scrotal temperature may negatively affect sperm production and quality. CoolMen is designed to help maintain appropriate thermal conditions for spermatogenesis while remaining comfortable for everyday use.
How does CoolMen work?
Simply place the CoolMen cooling insert in the dedicated pocket of the underwear and connect the device to a power source. Cooling starts automatically. The system continuously monitors the temperature and adjusts the device’s operation to keep it within a predefined range.
How long should I use CoolMen?
Sperm production and maturation are continuous processes, and a full cycle of spermatogenesis takes approximately 3 months. Therefore, CoolMen is intended for regular, long-term use. Results may vary from person to person and depend on many factors, including lifestyle, health status, and the underlying causes of fertility problems.
How long should I wear CoolMen each day?
We recommend using CoolMen for at least 8 hours a day. The device is designed for prolonged daily use and can be used during normal everyday activities as well as during sleep. CoolMen can be used for more than 8 hours a day if it is comfortable for the user.
Who is CoolMen intended for?
CoolMen may be suitable for men who:
- have semen parameters outside the reference ranges,
- are trying to conceive,
- want to actively support their reproductive health,
- want to maintain appropriate thermal conditions for sperm production,
- are exposed to factors that may increase testicular temperature, such as prolonged sitting, high ambient temperatures, or frequent exposure to heat.
Are there any contraindications to using CoolMen?
Yes. In some cases, the use of CoolMen may not be advisable due to the user’s health condition.
Absolute contraindications
- damaged or irritated skin in the area where the device is used,
- absence of testicles,
- testicular cancer.
Relative contraindications
- fever or temporary conditions affecting body temperature,
- recent medical or cosmetic procedures in the area where the device is used.
Important: CoolMen does not replace medical diagnosis or treatment prescribed by a doctor. If you have a medical condition, concerning symptoms, or any doubts about whether you can use the device, consult a doctor.
How do I keep CoolMen clean?
CoolMen is made from high-quality materials suitable for everyday use. The underwear and cooling insert can be washed by hand or in a washing machine at temperatures up to 30°C, following the care instructions.
Does CoolMen require a specific position during use?
No. CoolMen does not require any specific position during use. It is designed for everyday use and can be worn during normal activities such as sitting, walking, or resting.
Coolmen isn’t just another gadget. It is a certified Class I medical device developed in accordance with MDR (EU 2017/745), combining science, comfort, and wearable innovation.
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Explore the scientific research behind temperature, heat exposure, and their impact on spermatogenesis and male reproductive health.
