The TYR Catalyst Stroke Training Paddle is engineered for training at every level with ergonomic features that provides a natural swim experience and a flexible fit for the hand. Features Follow's the natural form of your palm to provide a natural swim experience Designed to build strength and improve technique Clear paddle helps you better assess proper hand positioning Silicone tubing and multiple gridded lacing options. Details Material(s): K-Resin, Silicone Size: Paddles are color-coded by size (see size chart) Country of Origin: Imported