As the demand for comfort rises, phase change materials (PCMs) offer a transformative solution for personal thermal management by dynamically regulating body temperature through heat absorption and release. Organic PCMs are particularly noted for providing extended thermal comfort in various environments and activities within wearable technology. However, challenges such as low thermal conductivity and leakage during phase transitions hinder their effectiveness. While recent advancements in encapsulation and composites have made progress, developing flexible, high-performance PCMs remains essential. Flexible phase change materials (FPCMs) enhance impact resistance, heat transfer, and comfort. Continued innovations may lead to durable, responsive PCMs that revolutionizing personal thermal management and broadening applications in health, sports, and daily life.