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Phase Change Cooling Vest
Keep Your Body Cool at 18°C

Engineered with patented PCM technology, our cooling vests maintain a constant 18°C for up to 4 hours — ideal for outdoor workers, firefighters, motorcyclists, and high-temperature environments.

Cooling Vest

About Chillyfly

Beijing Daiting New Material Technology Co., Ltd. is a professional production factory specializing in phase change cooling vests. With patented 18°C constant temperature technology, we design lightweight, ergonomic cooling garments for people working in extreme heat.

Our mission is to protect workers, riders, and professionals from heat stress through innovative PCM (Phase Change Material) cooling solutions. Trusted by traffic police, construction crews, firefighters, and industrial workers worldwide.

18°C
Constant Temperature
4 hrs
Cooling Duration
25 min
Recharge Time
3 yrs
Service Life

Why Choose Us?

  • Patented 18°C phase change material
  • Reusable cooling packs (3-year lifespan)
  • Customizable vests for all body types
  • Anti-static polyester cotton fabric
  • Export-ready & wholesale available

Our Cooling Vests

High-performance, customizable PCM cooling vests designed for comfort, durability, and maximum heat protection.

Standard Cooling Vest

Standard Cooling Vest

Blue/fluorescent, anti-static fabric, free size (adjustable)

  • ✅ 18°C Phase Change Material
  • ✅ 4-hour cooling duration
  • ✅ 25-min recharge time
  • ✅ 3-year lifespan
Firefighter Cooling Vest

Firefighter Cooling Vest

Heat-resistant, reflective strips, high durability

  • ✅ Flame-retardant outer layer
  • ✅ Enhanced cooling pack placement
  • ✅ Lightweight & breathable
  • ✅ Ideal for emergency responders
Motorcycle Cooling Vest

Motorcycle Cooling Vest

Aerodynamic design, ventilated back, secure fit

  • ✅ Wind-resistant material
  • ✅ Reflective safety strips
  • ✅ Quick-dry fabric
  • ✅ Perfect for long rides
Construction Worker Vest

Construction Worker Vest

High-visibility, durable stitching, adjustable fit

  • ✅ Meets safety standards
  • ✅ Reinforced shoulder zones
  • ✅ Comfortable for 8+ hour shifts
  • ✅ Reusable PCM packs
Police Cooling Vest

Police Cooling Vest

Tactical design, concealed cooling, professional look

  • ✅ Discreet PCM integration
  • ✅ Compatible with duty belts
  • ✅ Anti-static & breathable
  • ✅ Used by traffic police globally
Industrial Cooling Vest

Industrial Cooling Vest

For steel mills, kitchens, factories, and hot zones

  • ✅ High-temperature resistance
  • ✅ Long-lasting cooling effect
  • ✅ Easy to clean & maintain
  • ✅ Ideal for indoor heat stress
Custom Cooling Vest

Custom Cooling Vest

Branded, logo-printed, OEM/ODM available

  • ✅ Full customization options
  • ✅ Logo embroidery & printing
  • ✅ Bulk order discounts
  • ✅ Export packaging
Lightweight Cooling Vest

Lightweight Cooling Vest

Ultra-thin, minimal design, ideal for mobility

  • ✅ Only 450g cooling pack
  • ✅ Fits under uniforms
  • ✅ Fast 25-min recharge
  • ✅ Comfortable for all-day wear

Advanced PCM Technology

❄️

Thermostatic 18°C

Maintains a constant 18°C for optimal comfort — not too cold, not too warm.

🔋

4-Hour Endurance

Stay cool for up to 4 hours continuously in high-temperature environments.

🔄

25-Min Recharge

Simply place in fridge or ice water for 25 minutes to reuse — fast and efficient.

📅

3-Year Lifespan

High-quality PCM packs last up to 3 years with proper care and storage.

18°C
Constant Temperature
4H
Cooling Duration
25min
Recharge Time
3Y
Service Life

Frequently Asked Questions

What is PCM cooling technology?

PCM (Phase Change Material) absorbs and releases thermal energy at a constant temperature. Our vests use a special PCM that activates at 18°C, providing consistent cooling without freezing.

How long does the cooling last?

Each charge provides up to 4 hours of continuous cooling at 18°C, depending on ambient temperature and activity level.

How do I recharge the cooling vest?

Place the cooling packs in a refrigerator or ice water for 25 minutes. Avoid freezing below 0°C to preserve PCM integrity.

Is the vest washable?

Yes, remove the PCM packs before washing. Hand wash or gentle machine cycle recommended. Air dry only.

Can I customize the vest?

Yes! We offer full customization including size, color, logo printing, and branding for bulk orders.

Who uses your cooling vests?

Our vests are used by traffic police, construction workers, firefighters, motorcyclists, steelworkers, chefs, and anyone working in hot environments.

Get in Touch

Interested in wholesale, customization, or becoming a distributor? Contact us directly for the best pricing and support.

📧
Email
25595285@qq.com
📞
Phone / WhatsApp
+86 151 6506 6178
🏢
Office
78 Shanda Road, Jinan, Shandong, China 250100

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