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IST F6 Pro Power Open Heel Fins

A good all-round beginner to intermediate fin.

ProPower provides excellent propulsion with moderate stiffness. A super comfortable and ample foot pocket enables more room for larger sized booties. Streamlined blades produce maximum thrust. Resilient center membrane directs the water flow and makes the fin easier to kick.
Designed to deliver the most thrust from your kicks, these IST Pro-Power fins are perfect for scuba diving and freediving. These fins excel in an open water application. A streamlined blade produces the highest propulsion, while the resilient center membrane enhances ease of kicking output.


  • A perennial favourite
  • The streamlined blade produces maximum thrust
  • Flexible centre membrane directs water flow backwards
  • Powerful fin with good thrust
  • Small (US 5-6 EUR 36-38), Medium (US 6-7 EUR 38-39), Large (US 8-9 EUR 40-42), X-Large (US 10-11 EUR 43-45)


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Question asked
on 10/16/2012
what is the overall lenght of these fins in inches
Answer by Shawnna
on 10/17/2012
Hi, this measurement if from a size large fin from heal to front/top of fin is 27" and for just the blade/fin part(no foot) is 15".