- Adaptive Comfort: Made from elastic and breathable material, this cooling insert provides optimal adaptability to various headgear. It ensures a snug fit without restricting airflow, making it perfect for daily outdoor activities and work. - Cooling Effect: Utilizing advanced PCM cooling technology, this insert delivers a refreshing sensation to the head. It is designed for challenging conditions, enhancing endurance and efficiency, making it an ideal choice for those needing a discreet and effective cooling solution in their everyday tasks. - Long-lasting Cooling Solution: This insert offers extended cooling with a continuous effect lasting up to two hours. It ensures comfort during prolonged use in warm environments, ideal for outdoor work or warm indoor settings where coolness is essential. The innovative technology keeps the head cool, allowing users to tackle hot conditions without interruption. - Innovative Design: Enhances comfort during outdoor activities such as cycling, camping, and fishing. The specially designed cooling insert provides a pleasant sensation, helping you stay fresh and focused throughout your adventures. Key Features: - Material: Elastic and breathable for a comfortable fit. - Compatibility: Fits various types of headgear. - Performance: Continuous cooling for up to two hours. Use Scenarios: 1. Perfect for construction workers facing hot weather conditions. 2. Ideal for cyclists looking for extra comfort on long rides. 3. Great for campers needing to stay cool during outdoor adventures.