The Catalyst 2 Hand Paddles from TYR are designed to help swimmers train effectively. Ideal for swimmers of all levels, these hand paddles assist in improving stroke technique while building arm strength. The unique shape enhances water feel and distributes pressure evenly to help reduce shoulder stress.Constructed with polypropylene, the Catalyst 2 training paddles are durable, lightweight, and flexible. The updated design offers multiple strap configuration options and improved comfort, helping swimmers enhance their training performance.Available in 5 color-coded sizes from XXS to L: XXS Orange: 5.75 inches W, 7.5 inches H XS Green: 6.5 inches W, 8.5 inches H S Yellow: 7.5 inches W, 9.5 inches H M Red: 8.25 inches W, 9.75 inches H L Blue: 8.75 inches W, 11.5 inches H Features: - Suitable for swimmers of all levels - Helps improve stroke technique and build arm strength - Even pressure distribution to help reduce shoulder stress - Offered in 5 color-coded sizes from XXS to L