Stay cool and comfortable no matter where the day takes you with the Mobile CoolingA(R) HydrologicA(R) Neck Band. Lightweight, versatile, and easy to activate, this multipurpose accessory delivers instant relief from heat using HydrologicA(R) crystal polymer cooling technology-just soak in water and wear around your neck, head, or wrist. Ideal for the gym, job site, trail, or court, it provides hours of cooling comfort while SweatsheerA(R) moisture-wicking technology keeps you dry. Whether you&';re working in the heat or pushing through a tough workout, this compact cooling band helps you stay focused and protected.