Open Box Seac Shout S700 Apnea Fin
In stock — ships from Irvine, CA
Open Box Seac Shout S700 Apnea Fin - Camo Green / 39/40 is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at 23D

Condition Note
- Open Box: This product is Open Box. It is generally unused, either returned by a customer or displayed in our showroom, and may have minor, unnoticeable blemishes. Original packaging may be damaged or missing.
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Product Information
Spearfishing, apnea, freediving. If you are looking for long fins that meet all your passions, with Seac Shout you have all the safety of a quality product that is Made in Italy and able to offer great performance. The Seac Shout fins are appreciated by divers around the world for the comfort of the fit and for the return thrust of the blade that allow you to enjoy your sport for longer with less effort. They are available in 6 sizes: 39/40, 41/42, 43/44, 45/46, 47/48. The Seac Shout fins are already designed to be used with 2.5mm neoprene socks; if you use neoprene socks of this thickness, it is advisable, therefore, to buy the shoe size usually worn every day.
- LONG FINS FROM Seac: the Seac Shout fins have a long soft blade which is angled at 22°, enhancing underwater performance for spearfishing and freediving.
- WE THINK ABOUT YOU: Designed for use with 2.5mm neoprene boots, these fins offer exceptional comfort appreciated by divers during extended use.
- PROLONGED USE: Ideal for scuba diving and freediving, the Seac Shout fins provide a good return of thrust for efficient movement underwater.
- DIMENSIONS AND SIZES: Available in 6 sizes, the smallest fin weighs 1 kg and is 88 cm long, while the largest weighs 1.24 kg and measures 1 meter long.
- MADE IN ITALY: Crafted by Seacsub SpA, a leader in the diving industry since 1971, ensuring high-quality manufacturing standards.
⚠️ 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.



















