Mares Avanti SuperChannel Open Heel Fin with Bungee Strap Color:Black They can be mounted on

They can be mounted on any Aqua Lung fin that currently uses a spring strap or adjustable strap (except Rocket II)

Variable ascent rates are displayed in a percentage and with a fast ascent warning

Temperature range: -22° F to 176° F (-30° C to 80° C)

reduce shadowing and increase stability

Non-slip foot pocket

Mares Avanti SuperChannel Open Heel Fin with Bungee Strap Color:Black They can be mounted onBungee strap. Anatomical open heel foot pocket. Bungee strap Anatomical open heel foot pocket 3 channel design for added propulsion Rugged and durable constructionMaterial: Thermoplastic rubber Tecralene Blade: 37cm (size R) Weight: 0. 9kg (size R) Blade Thrust Area: 730cm (size R)