SPEEDO Youth Sonic Warm Up JacketConstructed of super-soft fabric for kicked-back comfort. Think of them as your reward after a great workout.Mesh panels provide cool ventilation.Made of soft poly knit with brushed inner fleece.Cool media pocket holds your Aquabeat?.Cord loop located inside for hassle-free headphone cord management.Side zip pockets located on the outside.Fabric: 100% Polyester.