Power, performance, and comfort. That is why you use the Triton Fins. The Triton Fins take a traditionally designed power fin to the next level. Utilizing 100% Thermo Plastic Urethane (TPU), the Triton Fins offer more comfort and flexibility than their
predecessors. This design provides tremendous power and performance, but reduces the risk of leg or foot cramps.
 

• Three vents between the foot pocket and blade provide
  additional thrust on the down kick and decrease drag on the
  up kick or recovery
• Foot pocket shape and size derived from years of research to
  satisfy the most exacting requirements for comfort and power
• Fin is positively buoyant and floats