This fin is equipped with an interchangeable blade and foot pocket. • Footpocket material: made of bi-density double material. Hard thermoplastic rubber for sole and ribs, soft for the shoe so as to optimize the comfort/performance ratio. • Blade material: special technopolyer formulated to enhance the flexibility and responsiveness of the blade. The camouflage pattern obtained with WFT technology consists of a special film resistant to cuts and abrasions.