SPEEDO Biofuse Fitness Short Fin color:Hyper Yellow/Arctic Glass (17218) this suit offers durability and

this suit offers durability and a sleek silhouette lap after lap

comfort gusset liner

Side pockets for convenient storage of essentials

The 18" offers 10" of massage surface while the 22" offers 14" of massage surface

SPEEDO Biofuse Fitness Short Fin color:Hyper Yellow/Arctic Glass (17218) this suit offers durability andGet more from your training with the Biofuse Fitness Fin. Our comfortable fitness fins feature stiff blades for maximum water resistance and a more challenging lower body workout. Providing extra propulsion to your stroke, they promote better ankle mobility and provide easy speed so you can focus on your body positioning or kick technique. 100% silicone for excellent comfort.