F4 Blackstix Tri Fins (Neutral) Endorfins These open-toe thongs feature an

These open-toe thongs feature an ergonomic molded strap for a secure fit

The HYFI 2

synonymous with precision and commanding control

The midsole and outsole are made with BLOOM™ algae blended foam EVA

F4 Blackstix Tri Fins (Neutral) Endorfins These open-toe thongs feature anFutures Blackstix fins feature a V2 inside foil that generates and maintains speed throughout turns. The precision carbon and fiberglass matrix construction paired with specialized epoxy resin provides a very lightweight fin with incredible response, making your board feel livelier. Template Category Neutral (balanced fluid) Construction Blackstix Ride Number Speed Generating 8. 5 Size Small (48 70kgs)