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Ex Demo 2020 Severne Gator 5.7



  • 2020 Ex-Demo Gator 5.7
  • Condition 9.5/10*
  • Comments – This sail was used on the Windsurf Mag Review Only


  • From lightwind freeriding to high-wind blasting, the 2020 Severne Gator is the sail to maximise your stoke EVERY session.

Out of stock

Product Description

Freeride windsurfing is all about blasting around at speed and being able to change direction at will. With that in mind we’ve designed the Gator to get you up and planing earlier, and when the wind picks up keep you in control longer.

Flexible materials are used in key sections of the sail to make it inflate instantly and generate usable power fast. Precision shaping keeps this power low and forward where it can be controlled, extending the upper wind limits of the Gator. The manoeuvre-oriented geometry keeps the boom lengths short so you can throw a gybe or hook a turn wherever you choose.

100% X-Ply construction means durability. The Gator is built for progressing riders and stronger materials are there for when things don’t quite go to plan…

Progressive Geometry

Every size is designed to echo the demands of the aggressive freeride rider in any wind and water conditions. A consistent feel across all sizes makes it easier when changing up or down.

The smaller sails feature a higher cut foot and geometry biased towards wave and high wind bump and jump. Larger sizes have a lower cut foot to generate more drive in lighter winds but still maintain the light, throw about feel.

Batten count is optimised for every sail size to maintain a consistently soft, springy feel and maximise stability.

Upgrades for 2020

  • eM3 upper – lightweight durability and flex
  • X-ply body – reliable durability
  • eM4 foot panel – increased durability with reduced weight
  • Size specific battens – lighter battens in larger sizes, stronger battens in smaller sizes
  • Cyclops-ready
  • EM4 material upgrade
  • Aero-line battens
  • Increased wind range


Seamless Head Panel

This high abrasion area is made from only 1 panel and does not carry any exposed seams, preventing any potential weak point in this area. As a result, seam creep and seam-related failure have been eliminated.


eM3 is developed to combine the performance of the e-series cloths with maximum durability. The addition of a 90-degree pre preg polyester scrim has provided unique tear resistant characteristics and the off-axis loads are carried through the 22-degree X-ply fibres. The red and new blue adhesive maintain the UV resistance and tear strength, while the reduced film thickness significantly reduces the weight. The use in the upper panels reduces not only the overall sail weight, but also the swing weight, aiding manoeuvrability and control.

EM4 High Load Laminate

Based on the proven eM3 platform, the high load eM4 material features twice the amount of X-Ply fibre and increased film thickness to maximise durability. This new material allows weight reduction whilst maintaining puncture resistance and tear strength. Used in the lower impact zone in the sail.

Double Seams

All Severne wave sails have 25mm double stitched window seams. The wider, single colour seam tape ensures maximum tear strength and crash resistance.


A web of fibreglass filament that disburses loads across seams and throughout the body of the sail. By using stronger, lighter fibres and reducing sail patching, we can measurably reduce weight and swing weigh and at the same time, increase strength.

Boom Height Reference

Boom height gauge for ease of reference.

Seamless Foot Construction

A single panel in the foot area with hidden load patches and zero exposed stitching eliminates seam abrasion and seam creep in this high load area. Maximum durability and minimum weight.

Molded Soft Edge

With recessed grooving, covering any vulnerable stitching the moulded soft edge encloses the hard edge long the foot of the sail and protects the stitching from wear along the board non-skid.

3&4 Roller Tack Pulley

Roller tack pulleys are matched to the sails downhaul requirements and aligned for friction free downhauling and threading ease. Rig your sails with the Severne Hardware Division extensions for function and simplicity.

Thermoformed Tack Fairing

Protects your board from impact and neatly covers the foot detailing. It incorporates the rope stash pocket for easy storage of your downhaul rope.

3.73701462.54ADJ.SEVERNE 370 WAVE
4.03771522.64ADJ.SEVERNE 370 WAVE
4.23901542.74ADJ.SEVERNE 370 WAVE
4.54021562.95FIXEDSEVERNE 370 WAVE
4.74041593.05FIXEDSEVERNE 400 WAVE
5.04181623.15FIXEDSEVERNE 400 WAVE
5.34301683.25FIXEDSEVERNE 400 WAVE
5.54341723.35FIXEDSEVERNE 430 WAVE
5.74361753.35FIXEDSEVERNE 430 WAVE
6.04471823.45FIXEDSEVERNE 430 WAVE
6.54541883.75FIXEDSEVERNE 430 WAVE
7.04651973.95FIXEDSEVERNE 460 WAVE
7.54861984.36FIXEDSEVERNE 460 WAVE
8.04942004.56FIXEDSEVERNE 460 WAVE
* Recommended mast lengths are dependent on rider weight: lighter riders may prefer a shorter/softer mast, while heavier riders may prefer a longer/stiffer mast.

Additional Information

Sail size

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Sail Style

Crossover, Freeride

Skill Level

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Blue/Blue, Purple/Orange


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