Cressi Agua Diving Fins - Black The new Agua Cressi Agua Diving Fins are super easy to use and do not require any special athletic or water-sport abilities, yet it still delivers excellent performance without tiring your feet. They are light, comfy and durable - ideal for all your water and beach going adventures. Thanks to the latest technology and Cressis experience in developing these products they deliver  fins with markedly less weight, compared to others in its category, while still preserving excellent responsiveness. The foot pocket features the original Self Adjusting Foot Pocket system, which thanks to the special softness and elasticity of the blends makes for a consistently soft and adherent fit.