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 and building arm strength. Their 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 improved strap configuration options and enhanced comfort, supporting a more effective swim training experience. Available in five color-coded sizes from XXS to L: - XXS - FL. Orange: 5.75 inches W, 7.5 inches H - XS - FL. Green: 6.5 inches W, 8.5 inches H - S - FL. Yellow: 7.5 inches W, 9.5 inches H - M - FL. Red: 8.25 inches W, 9.75 inches H - L - FL. 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 - Available in five color-coded sizes from XXS to L