- Efficient heat management: natural ice-forming material provides reliable localized cooling, balancing body heat uptake and supported by advanced composite condensation techniques for consistent performance. - Optimized airflow design: 3D heat dissipation with a multifunctional form that suits backpacks, vests, and pillows; adapts to body contours for reliable cooling in both active and relaxed settings. - Effortless portability: rear cooling pad features a compact foldable design for easy carrying and storage; leak-proof sealing during travel; lightweight construction enhances comfort without compromising performance. - Soft and safe design: soft, skin-friendly material for lasting comfort; contoured back design stays stable during movement. Use scenarios: - Outdoors: hiking, cycling, or workouts in hot weather for on-the-go cooling. - Travel and daily use: attach to backpacks or vests during commutes or trips in warm climates. - Resting or sleeping: use as a cooling pillow at home or in hotels to aid cooling during downtime.