SEAL 2023

Core Wave Sail
From €475.00
Incl. 19% VAT, excl. Shipping Cost
In stock


Fancy radical wave maneuvers or extreme strong wind conditions? Thanks to the large wind range, the 4-batten Core Wave sail can offer both and convinces with its playful handling with just the right mix of drive and neutrality: The SEAL pulls through the turns with momentum and switches to neutral in a flash when riding the wave.


> The lightest GUNSAILS wave sail
> 100% X-Ply / Square-Ply and Kevlar Warp Laminates for the most extreme demands
> Also available as RE-SEAL with up to 75% polyester film made from recycled PET bottles
> Two-piece mast foot protector offers more protection for mast and board
> Optimal mix of drive, control and neutrality
> RDM compatible only

The 2023 SEAL retains its uncompromising wave character. It takes off dynamically at launch and then balances itself in the wind as if on autopilot. Its precise ON/OFF behavior when riding waves, the agile handling even when powered up and the active twist recommend it for every type of waverider. A revised profile on the lower battens with an update of the mast sleeve now provide an even lighter feel, more elasticity in maneuvers and more control. The slightly longer mast curve and short boom give the SEAL its stretched outline, keeping it harmonious and controllable in all wind strengths and guaranteeing excellent overall handling. The generous use of 3 mil square-ply gives the Core Wave sail its reputation as the lightest wave sail in our range. Its features are of the highest level and at the same time guarantee durability. According to the windsurfing press, the SEAL is one of the absolute best all-rounders, so we guarantee the perfect fit for you!


Within the last season we introduced the world's first windsurf sail made of recycled material, the RE-SEAL. Our journey to sustainability goes on and we continue to RE-THINK. To further reduce the carbon footprint of our sail collection we have added the RE-TORRO and the RE-ZOOM as recycled models to our range.
The RE-SEAL is made of up to 75% polyester film from recycled PET bottles, depending on the size. By switching to recycled material, each square meter contains about 10 recycled PET bottles, saving an additional 400 g of CO2 per m² in material production. In terms of design, features and performance the RE-SEAL is identic with the SEAL and does also live up to the well known Gunsails quality promise.

RE-THINK – our journey to sustainability


Battens Top IMCS Best Mast Mast
cm / Ø
3.2 143 345 4 vario 15-17 Cross/Expert/Select 340/370 RDM 475,-
3.5 145 351 4 vario 15-17 Cross/Expert/Select 340/370 RDM 495,-
3.7 147 360 4 vario 15-17 Cross/Expert/Select 340/370 RDM 529,-
4.0 150 367 4 vario 15-17 Cross/Expert/Select 340/370 RDM 539,-
4.2 153 378 4 fix 15-17 Cross/Expert/Select 370/340 RDM 549,-
4.5 159 384 4 fix 16-18 Cross/Expert/Select 370 RDM 559,-
4.7 165 397 4 vario 16-19 Cross/Expert/Select 370/400 RDM 569,-
5.0 170 411 4 fix 18-20 Cross/Expert/Select 400 RDM 579,-
5.3 176 418 4 fix 18-20 Cross/Expert/Select 400 RDM 589,-
5.7 180 428 4 fix 18-20 Cross/Expert/Select 400 RDM 599,-


A GUNSAILS windsurf sail is a combination of selected and high-quality materials, combined with years of experience and construction knowhow. Sail designer Renato Morlotti is responsible for the performance and quality of the sails. In his working environment he has optimised everything down to the smallest detail. Every piece of material in the sail is continuously improved in terms of durability and weight savings. Only a closer look reveals the quality, good manufacturing and durability of a GUNSAILS sail.


To ensure the functionality, easy handling and durability of our products, we have developed various features over the years and established them as our standard. The dedication and precision of our sail designer Renato Morlotti are once again evident in the individual details. An important factor that makes our quality possible and distinguishes us from other sail brands.


Testbericht Windsurf Segel Surf Magazin Test Wave Seal

SURF MAGAZIN JAN-FEB 2023 // SEAL 4.7 2023

Thanks to Variotopp, the new Seal can also be ridden on a 400 mast - the 370, however, is our recommendation. The Seal gets by with only moderate loose leech, the trim point in the top points the way. With Hack, you can also pull in a little more loose than recommended as a heavyweight. Also because the 2023 Seal has been given noticeably more power on the sail hand, the sail gets up to speed well and is very stable in the hand. Even without pumping and perfect planing technique, the sail finds the right angle of attack almost by itself. On the straight it then also acts powerfully, the pressure point is nailed down - annoying retrimming remains the exception. When riding waves, the sail always provides a noticeable basic pull on the sail hand (drive), which helps to arrive at the wave lip with a lot of speed in limp conditions. On the other hand, the Seal is no longer one of the most playful sails that can be directed through maneuvers and loops with two fingers.

surf conclusion: The new Seal has been tuned more powerfully again and scores as a gliding, uncomplicated and balanced sail, especially in the wave and for freeriding. For freestyle and maneuvering fans, however, the 2022 Seal even has the advantage.

+ Contrile, wind range, power
o ./.
- ./.

Testbericht Windsurf Segel Surf Magazin Test Wave Seal

WIND NEWS / DEC-JAN 2023 // RE-SEAL 4.7 2023

When we finally found the bread and butter to test the Seal 5.3 2022 in the form of waves and wind.... the Re-Seal 4.7 2023 came into our hands prematurely.
Given the delay in the last two issues of Wind News, it is therefore better to propose the test of the latest sail spontaneously. The Re-Seal was actually already a coveted sail for last season's testing, but between delivery delays and the "shortage" of this eco-friendly version of the Seal, made from laminates of used polyester appropriately recycled and converted into X-Ply, nothing had come of it. Until a few days ago, when the special edition Seal in size 4.7 and with its special 'green look' reaches our great hands.
We've already talked about the special design in detail in previous issues, so we'll just mention it briefly here, but at first glance, apart from the color, there are no obvious differences from the basic version of Seal! The shape confirms that it is the same model, but made of different, environmentally friendly materials.
There are no surprises in the trim either: The GunSails recommendation for the Re-Seal 4.7 is the RDM mast, and if you want to use its full potential in the waves, the best combination remains the RDM 370/17 with 27/29 cm extension, given the 397 cm mast pocket. Considering that GunSails uses the Vario-Top on this size (as on 3.2, 3.5, 3.7 and 4.0), we also tried to upgrade it with the RDM 400/19 and the combination was not daring at all, on the contrary! Especially if you are 'used' to the basic version... the Re-Seal 4.7 seems a bit more elastic and 'softer' with the 370/17, which is perhaps due to the materials used in the construction. This characteristic is already noticeable when rigging: With both masts, it is indeed easy to achieve the right luff tension to find the optimal trim, but in the water, especially with the RDM 400/19, you feel the sensation of a sail that is light in the arms, while with the 370/17 it is softer and more suitable for particularly windy conditions.
While not the most powerful wave sail, the Re-Seal 4.7 surprised us with how well it handled in the wind holes and how much power it could deliver at low speeds when trimmed appropriately in the boom. It may not be a versatile and stable "engine" like the Horizon, but it doesn't deviate much from it, and besides, it pays off in terms of maneuverability once you get into "serious" waves in strong winds, where it's even more responsive when it needs to be, but neutral in the surf at the right time. It leaves as a dominant impression that of great lightness and agility. A wave sail for experts in the sector, responsive and agile, robust and powerful, perhaps a little more "elastic" than the basic version, but equipped with the necessary stretch to be exploited even in our waves. The price/performance ratio is still unbeatable and the solid construction with the X-Ply equipped window that allows a good visibility, combined with the robustness, protects the sail in the roughest wash.

Plus: Quality/price, construction, relatively powerful, maneuverable and responsive in the surf, soft feel, eco-friendly....
Minus: Less comfort than the Horizon in very strong winds.

We found other products you might like!