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.
- 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 sperm quality. COOLMEN is designed to help create more favorable conditions for spermatogenesis while maintaining comfort during everyday use.
How does COOLMEN work?
The user places COOLMEN in the dedicated underwear pocket and connects the device to a power source. The cooling process starts automatically. COOLMEN uses temperature control technology designed to help achieve and maintain a predefined temperature range during use.
How long should I use COOLMEN to notice results?
Sperm development is a continuous process, and a complete sperm production cycle typically takes approximately 3 months. Individual results may vary depending on many factors including lifestyle, health condition, and underlying causes affecting fertility.
How long should I wear COOLMEN?
For consistent support, COOLMEN is designed for extended daily use. Longer daily use may help support more favorable conditions over time. Many users may choose to wear the device for several hours during normal daily activities and during sleep if comfortable.
Who can use COOLMEN?
COOLMEN may be suitable for men who:
• Have semen parameters outside reference ranges.
• Are trying to conceive.
• Want to proactively support male reproductive health.
• Want to support favorable conditions for sperm production.
• Have conditions associated with increased local temperature exposure.
Are there any medical contraindications for COOLMEN?
Use of COOLMEN may be contraindicated depending on the user’s medical condition, history, or current health status.
Absolute contraindications
• Damaged skin in the scrotal area
• Absence of testicles
• Testicular cancer
Relative contraindications
• Fever or temporary medical conditions affecting body temperature
• Recent cosmetic procedures in the treatment area
• Use of COOLMEN as a replacement for medical diagnosis or treatment prescribed by a physician
How do I keep COOLMEN clean?
COOLMEN is made from high-quality materials designed for everyday use. The underwear and cooling insert can be washed either by hand or in a washing machine at 30°C (86°F) according to the care instructions.
Should COOLMEN be used in specific positions or situations?
No special position is required. COOLMEN is designed for use during everyday activities and normal movement.
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.