SEAC OPEN HEEL FIN STYLE SLING STRAP
In stock — ships from Irvine, CA
SEAC OPEN HEEL FIN STYLE SLING STRAP - Orange / XS/S (X-Small / Small) is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at 23D
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Product Information
SEAC Style-S Open Heel Fin with Sling Strap offers a modern, streamlined design with high performance for recreational and professional diving. Made in Italy, this open heel fin is light and compact for easy transport, and the self-adjusting Sling Strap provides a secure, comfortable fit with boots or booties.
The fins feature a dimensioned channel that creates the spoon effect, capturing a large volume of water for greater thrust with less effort. A rubber blade ratio of 2 to 1 delivers quick reactivity and balanced resistance. The lightweight blade yields propulsion with minimal effort, aiding control in challenging underwater situations. The non-slip sole includes rubber inserts in relief for solid footing.
Designed and manufactured entirely in Italy by Seacsub S.p.A., a trusted name in the diving sector since 1990, these open heel fins pair durability with practical comfort for both recreational and professional diving missions.
- Open heel fin with Sling Strap for easy wear over boots or booties and a secure fit.
- Materials and durability featuring a 100% Made in Italy construction, reliable rubber blade, and a non-slip sole with relief inserts.
- Design and performance with a dimensioned water-channel that produces a spoon effect for efficient thrust and reactivity.
- Propulsion efficiency enhanced by a 2:1 rubber blade ratio, delivering strong propulsion with controlled resistance.
- Comfort and fit includes a foot-friendly shoe design and a self-adjusting Sling Strap for quick, comfortable wear with or without booties.
- Usage and compatibility suitable for both recreational and professional diving, compatible with standard dive boots and open-heel setups.
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the difference between open-heel and full-foot fins?
Open-heel fins have an adjustable heel strap and are worn with dive boots, which protect your feet on shore entries and add warmth. Full-foot fins slip on like a shoe against bare skin or a thin sock, and are typically lighter and easier to pack. Most scuba divers choose open-heel fins with boots, while full-foot fins suit warm water, snorkeling, and pool use.
How should scuba fins fit?
Open-heel fins should be sized around the boots you will actually wear, snug with the strap set so your heel stays seated and your foot does not slide forward in the pocket. Full-foot fins should fit like a firm shoe, with no heel lift, no pinched toes, and no gap that lets water pump in and out. Too loose causes heel blisters and lost fins in current, and too tight causes foot cramps.
Should I buy dive boots before fins?
Choose your boots first and size open-heel fins around them, because sole thickness changes the foot-pocket size you need. A thin warm-water boot and a thick cold-water boot with a rugged sole can easily be a fin size apart. If you already own fins, bring them along when you buy boots so you can check the combination.
Are spring straps worth it?
Spring straps replace the adjustable rubber strap with a stainless spring that stretches on and off, so there is nothing to buckle with cold or gloved hands and no rubber strap to perish and snap mid-dive. They hold constant tension, which many divers find more comfortable and consistent. They are sized rather than adjustable, so match the length to your foot pocket and the boots you dive.
What are the best fins for travel?
For travel, length and weight matter most, so shorter blades and travel-specific open-heel or full-foot models pack more easily and save baggage allowance. Some fins have removable blades or compact foot pockets designed for luggage. Pack fins along the outside walls of your bag, where they also act as protection for softer gear.
What is the difference between paddle and split fins?
Paddle fins use a solid blade that transfers power directly, which many divers prefer for precision, control in current, and non-flutter kicks such as the frog kick. Split fins have a slit down the blade that lets water pass through, which generally makes flutter kicking easier on the legs but gives up some control and works less well with other kick styles. Neither is inherently better, so let your kick style, leg strength, and conditions decide, and try both if you get the chance.
How do I care for dive fins?
Rinse them in fresh water after each dive day, paying attention to buckles, springs, and strap channels where salt collects, and dry them out of direct sunlight. Store them flat or hanging from the foot pocket rather than standing on the blade tips, which can take a permanent bend. Check straps, buckles, and any screws before every trip, since a failed buckle is the most common fin problem.



















