Designed to stay in place The Galaxy Watch4 Ridge Band is designed to completely fit your wrist with a firm and stable grip. The band is durable and sweat resistance thanks to its fluoroelastomer material. Better performance, greater accuracy The Galaxy Watch4 Ridge Band maintains a comfortable and fitted grip to always provide top-tier performance in daily fitness tracking and health monitoring. The band is designed to make sure your Watch4 accurately measures your health ratings during light or intense workouts.