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Modern Highline Shortboard

Modern Highline PU Shortboard


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Product Description

With the Modern Highline PU Shortboard we examined what novice-to-intermediate surfers need in a surfboard to help them get as much actual surfing experience as possible. To become a better surfer, catching waves and increasing your confidence is the key, so we designed this board to be very buoyant (easy to paddle), stable (easy to get to your feet), and easy to control (smooth turns & go where you want on a wave). Essentially, we built this board to re-define the first steps in surfing so people develop their skills quicker and maximise the enjoyment they get from riding waves.

OUTLINE: The outline is the key to the Highline’s amazing stability. We basically took the middle section of a longboard, then tapered the nose to a semi-point and added a nice curved square tail, and by reducing the overall board length you maintain easier side-to-side turning.

ROCKER: Considered flat, the low rocker means this board paddles very quickly onto waves, and will maintain its speed once you’re up and riding. In this case flat equals flow, and less effort required from the rider to get the board up and going.

CONTOURS: Forward concave helps channel water efficiently across the flatter rocker, particularly when paddling and taking off. The back half of the board has a raised vee with double concave to offset the width, and allow for easier transitions from one rail to the other when performing turns.

FOIL: There’s lots of volume along the full length of the foil, but enough taper through the nose to avoid that ‘boat-like’ feel. The rails are full, but still soft which makes them forgiving as you glide across the face and connect your turns together.

PERFORMANCE: This model can be ridden shorter due to the extra width and higher volumes, which is a big advantage for beginner and intermediate surfers developing their turning skills. For better surfers, gear down into cruise mode before riding the Highline. It has a large sweet spot and offers a very fluid ride, especially in smaller, soft running beach and point waves.


NOTE: rider weight is based on board volume and intermediate rider skill level.
5'4"20 1/4"2 3/8"30.1 ltrFCSII Tri Performer60kg / 132lb or less
5'6"20 5/8"2 7/16"32.4 ltrFCSII Tri Performer60kg / 132lb or less
5'8''21''2 1/2''35 ltrFCSII Tri Performer60kg / 132lb or less
5'10''21 3/8''2 5/8''38.3 ltrFCSII Tri Performer65kg / 143lb or less
6'0''21 3/4''2 3/4''42 ltrFCSII Tri Performer75kg / 165lb or less
6'2''22 1/8''2 13/16''45 ltrFCSII Tri Performer85kg / 187lb or less
6'4''22 1/2''2 7/8''48.1 ltrFCSII Tri Performer90kg / 198lb or less
6'8''22 7/8''3''54 ltrFCSII Tri Performer95kg / 209lb or less


Technical Info


Polyester – PU

Polyester or PU construction uses traditional materials and laminating techniques to produce a strong, reliable surfboard with high quality finishes. All polyester boards are CNC milled from the shapers files and laminated by hand using quality components such as Hexcel fiberglass, Silmar resin and Bennett foam.

For years traditional polyester boards have been at the forefront of performance surfing. These boards feature a progressive flex pattern controlled by a high-grade timber stringer and feel very reliable under your feet. Polyester construction will perform in all surf conditions and can be adapted to suit a wide variety of surfboard models.

You can find out more about GSI's surfboard construction on our surfboard technologies page

Board Concave

Single Double Vee

Subtle single-to-double concave with vee out through the tail delivers a balance of speed and flow over flatter sections

Full Rail

This is a high volume rail.
Surfer Skill Level

Beginner, Intermediate

Wave Height

1-6ft Waves

Submit A Review

Let us know what you think...


  1. Question

    Just wondering about the volume recommended for a beginner? I’m 60kg/5″5 and buying my first board/graduating to fibreglass after 5 lessons. Would you recommend this kind of board over a mini mal?

    (0) (0)

    Something wrong with this post? Thanks for letting us know. If you can point us in the right direction...

    • Hi Karina – anything above 45ltr should be fine – the more volume you have the easier you should find it – the 6’4 is probably going to be your best bet :-)

      If you need anything else just let us know or use the Chat function below – its monitored by GSI staff.

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  2. Question

    Hi there thinking about making the transition from bodyboarding to surfing I’m 5.6″ and 58kg and wondering what length I should get ?
    Also how many fins and were to place them
    I surf anything between 2-4ft .
    Appreciate your help

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    Something wrong with this post? Thanks for letting us know. If you can point us in the right direction...

    • Hi Lindsay – given that you’re are used to riding a bodyboard the 5’8″ will probably be a good board to start out on. You’ve have chosen a perfect board to start out on :-) The board comes with a thruster set of fins (3). These will be the best set up at this stage.

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