The Red & Grey TYR Crossblade Fins in size 9-11 are a high-quality pair of fins designed specifically for water sports enthusiasts. Manufactured by the trusted brand TYR, these Crossblade fins offer a combination of durability and performance. With a sleek design and a size suitable for intermediate to advanced swimmers, these fins provide excellent propulsion and maneuverability in the water. Whether you are a avid surfer, snorkeler, or paddleboarder, these TYR Crossblade Fins will enhance your experience on the water.