The part of the fin where the foot is placed.It can be completely closed, like in full-foot fins, or open with an adjustable strap, like in adjustable fins.
Blade
The flat part of the fin that helps to generate the thrust.The longer and/or harder the blade, the more powerful the fins.The shorter and/or more flexible the blade, the less powerful the fins.
The fins feature a flexible technopolymer blade and a thermoplastic rubber blade that is extremely durable yet soft and comfortable.
The Avanti HC Pro diving fins deliver a highly effective channel effect thanks to two slightly elongated flexible side channels.