Version 4.0

Q U 4 D   S A I L

QU4D SAIL

$830.00 USD
Regular price
Unit price
per
Size 3.5
3.5
Color C1-v2

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$2,490.00
$830.00
Product Specs
  • 4 battens – Compact design for fast rotations
  • Huge new DP® Sailcloth SLAMLAM® window stays clear longer with full-mast visibility
  • 2 clew positions rigging for down-the-line wave riding vs. jumping
  • 2 mil scrim super light laminates for exceptional weight savings
  • Three full-length battens with exclusive SuperSkin® reinforcing
  • 2x 3mm "mini" battens with exclusive SuperSkin® reinforcing
  • Indestructible ROX Webbing UHMWPE luff sleeve for maximum durability
  • "S" bend batten de-power and shape stability system for consistent performance
  • New easy roll sleeve top for effortless rigging
  • DP® Sailcloth "Flex" triple laminate luff top reinforcing
  • Technora® tack and clew reinforcing for high-load areas
  • Boom height markings are printed inside and outside the boom opening for quick setup
  • Foot edge raised bead for maximum deck chafe resistance
  • Removable triple pulley downhaul in 316 stainless steel and bronze
  • 900kg strength UHMWPE tack pulley webbing
  • Ribbed EVA mast pad with 5cm wide hook and loop closure


 
Sail Characteristics

- Polycarbonate: Rigid and strong, providing excellent impact resistance.
- TPU (Thermoplastic Polyurethane): Flexible and shock-absorbing.
- Silicone: Soft and grippy, preventing slips and falls.
- Leather: Premium and stylish, offering a sophisticated look.
- Fabric: Unique textures and styles for a personalized touch.
QU4D SAIL
3.5 / C1-v2
$830.00 USD
Regular price
Unit price
per

QU4D SAIL

Size 3.5
3.5
Color C1-v2
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S t o c k   S i z e s .

VIEW FULLSCREEN
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D e s c r i p t i o n

The Ultimate Compact Wave Sail for Jumping and Spinning


The QU4D is our compact 4-batten wave sail, especially well-suited for jumping and "spinning" wave sailing with extra-fast rotations. Features the exclusive Wave Vision window that is clear all the way to the mast. The experience of wave riding with virtually no visual restrictions. This feature lets you avoid looking through a "window," giving you a full visual range and making jibes and other maneuvers more effortless as you carve and turn through the waves.


Dual Clew Positions for Maximum Versatility


Incorporating a low clew option to improve down-the-line wave sailing, this allows the sail to mimic the KS3 boom angle, which allows you to get up and under the lip better than the high clew position. The upper clew position is better suited to extreme jumping and onshore sailing. Sailors who liked the QU4D but felt the KS3 was better down the line are now totally satisfied with QU4D in all conditions.


Built for Aerial Performance


It is a great choice for those who enjoy jumping as much as wave riding. This sail flies through the air with stunning stability and accuracy. The shorter luff lengths and boom lengths encourage fast rotations, too.
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C o n s t r u c t i o n

Super-Light Yet Super-Strong Construction


The QU4D features our super-light 2- and 4-mil laminates, combined with our new, very clear SlamLam® reinforced window, making this a super-strong wave sail that will take a pounding while remaining very light.


Optimized for Reduced Rig Weight


Designed to rig on short masts, the overall rig weight is reduced further. You will only need a 400 to rig the 6.0m through 5.2m, a 370 to rig the 5.0 m through 4.3 m, and a 340 for the smallest sizes.

Experience the perfect balance of wave riding and aerial performance—the QU4D – where compact design meets versatile dual-clew rigging and stunning jump stability.

Premium Materials, Uncompromising Performance:

  • DP® Sailcloth "Flex" Triple Laminate – High-strength reinforcement in critical luff area

  • Technora® – Aramid fiber reinforcement for tack and clew

I n S i g h t   V i s i o n ®   W i n d o w   T e c h n o l o g y

InSight Vision® is an exclusive Hot Sails Maui window material developed to address the long-term weaknesses of conventional monofilm, X-ply, PVC and TPU windows. It is designed to remain clear, strong and usable through ultraviolet exposure, repeated folding, windblown sand and normal sail or wing handling. It can be stitched into the surrounding structure and is intended to remain cleanable throughout the useful life of the product.
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T e c h n o l o g y

Epoxy Battens + SuperSkin® Protection

Virtually unbreakable construction with a ballistic covering that resists breakage and simplifies maintenance. Proven in the world's most demanding conditions.

ROX Webbing

Ultra-high molecular weight polyethylene for incredible strength-to-weight ratioStabilized indestructible ROX Webbing UHMWPE luff sleeve for maximum durability

Ribbed EVA mast pad

The mast EVA mast pad is super light and durable and features a new mini 5cm wide hook and loop closure system.

Boom Height Markings

Printed inside and outside the boom opening for quick setup
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F e a t u r e s

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  • 4 battens – Compact design for fast rotations
  • Huge new DP® Sailcloth SLAMLAM® window stays clear longer with full-mast visibility
  • 2 clew positions rigging for down-the-line wave riding vs. jumping
  • 2 mil scrim super light laminates for exceptional weight savings
  • Three full-length battens with exclusive SuperSkin® reinforcing
  • 2x 3mm "mini" battens with exclusive SuperSkin® reinforcing
  • Indestructible ROX Webbing UHMWPE luff sleeve for maximum durability
  • "S" bend batten de-power and shape stability system for consistent performance
  • New easy roll sleeve top for effortless rigging
  • DP® Sailcloth "Flex" triple laminate luff top reinforcing
  • Technora® tack and clew reinforcing for high-load areas
  • Boom height markings are printed inside and outside the boom opening for quick setup
  • Foot edge raised bead for maximum deck chafe resistance
  • Removable triple pulley downhaul in 316 stainless steel and bronze
  • 900kg strength UHMWPE tack pulley webbing
  • Ribbed EVA mast pad with 5cm wide hook and loop closure


 

Frequently Asked Questions

Should I always rig to the exact printed luff and boom measurements?

Use the printed numbers as initial references. Actual settings can vary because extension scales, boom-head position, mast generation and personal preference are not identical. Mark the settings that produce the best result on your own mast and extension.

How tight should battens be?

Battens should be tight enough to support the intended profile and remove wrinkles caused by insufficient tension. They should not be tightened until they visibly bow while the sail is unloaded. Under-tension produces creases and an unstable draft; excessive tension stresses pockets and end fittings.

How should I choose between clew eyelets?

Choose the eyelet that produces a comfortable boom height, sail rake and sheeting angle. The lower eyelet often softens the leech and lowers the boom; the upper eyelet may feel more direct. On the Qu4d sail, the upper clew grommet is well known for improving jumping performance, especially for high-end rotational maneuvers such as double forwards.

What is InSight Vision® window material?

InSight Vision® is an exclusive Hot Sails Maui window material developed to address the long-term weaknesses of conventional monofilm, X-ply, PVC and TPU windows. It is designed to remain clear, strong and usable through ultraviolet exposure, repeated folding, windblown sand and normal sail or wing handling. It can be stitched into the surrounding structure and is intended to remain cleanable throughout the useful life of the product.
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