- Soft and cool: The integrated flexible cooling layer conforms to the head shape for a comfortable, non-compressive fit. It feels soft and smooth on the skin, suitable for sport and daily activities with light support. - Practical travel companion: The foldable design reduces to wallet size for easy daily transport, fits into tight travel bags, and preserves cooling performance when on the go. - Wide compatibility: Suitable for industrial helmets and hiking gear. Thermoregulating material for year-round use. Ultra-thin design preserves the headwear style while regulating body temperature. - Reliable performance: Delivers fresh, consistent relief with natural crystal technology designed for long use while maintaining form and function. Eco-friendly materials support satisfaction. - Use cases: Wear under an industrial safety helmet on hot work sites for cooler comfort. Use during cycling, running, or hiking to stay cool without bulk. Pack for travel or daily commuting in warm weather, using its wallet-sized fold for easy transport.