Feature●IMPROVES BODY ALIGNMENT: Promotes correct head and spine alignment, which is key to an efficient swim stroke●PROPER STROKE TRAINING: Assists with technique for freestyle, backstroke, breaststroke, and butterfly●ENHANCES SPEED: Correct posture decreases drag and increases kick propulsion●COMPATIBILITY: Can be worn with or without goggles, one size fits all●EASY TO USE: Secures to the back center of the head and should be undetectable until the swimmer exceeds the recommended posture rangeDescription