The Catalyst 2 H Paddles from TYR will help you to train harder, smarter. Perfect f swimmers of all levels, these new h paddles help improve stroke technique while building arm strength. Its unique shape improves water feel distributes pressure evenly f reduced shoulder stress. The Catalyst 2 training paddle is constructed with polypropylene, making it extremely durable, lightweight, flexible. Featuring a new improved design which offers me strap configuration options greater comft, these swim paddles will take your training to the next level. Available in 5 col-coded sizes from XXS to L: XXS - FL. ange: 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: Perfect f swimmers of all levels Improve stroke technique while building arm strength Distributes pressure evenly f reduced shoulder stress Available in 5 col-coded sizes from XXS to L