Hot Sails Maui - Windsurf sail Hot Sails Maui - Windsurf sail Hot Sails Maui - Windsurf sail

The 2017 QU4D is our compact 4 batten wave sail designed for radical conditions and aggressive riders for use in a variety of wave conditions. If you love to jump in strong winds, this is your sail. The sail shaping that has been borrowed from the KS3 includes significant batten rotation below the boom, "S" bend foot batten to shut the power off when sheeted out.

The proven outline of the leech allows the top of the sail to flex and release while landing jumps for better control. The New QU4D, is not your old QU4D.

The QU4D incorporates our super light LightWhite® laminate and Technora corner reinforcements and is combined with our next generation of extra clear SlamLam® reinforced window making this a super strong wave sail which will take a pounding while remaining very light. The front of the mast sleeve is made from our new OX Webbing so rigging is smooth and fast, and it is impossible to damage the front of the sleeve at all.

Designed to rig on short masts keeping the overall rig weight reduced.


Hard Core Wave
On-Shore Wave
Off-Shore Wave
Soft Wave
Light Wind

QU4D Sail Features

  • 4 battens
  • Super Compact Shaping (SCS)
  • Whitelight® laminate and ODL09 Technora
  • Next generation extra clear SlamLam® reinforced window
  • Indestructible Ox Webbing UHMWPE luff sleeve
  • New easy roll sleeve top
  • Dimension "Flex" triple laminate luff top reinforcing
  • Technora® tack and clew reinforcing
  • Boom height markings printed inside and out the boom opening
  • Genuine sailmaker's leather chafe trim
  • Fully accessible mini-battens
  • Foot edge raised bead for maximum deck chafe resistance
  • Triple pulley downhaul in 316 Stainless and bronze
  • Ribbed EVA mast pad with 5cm wide hook and loop closure


Size Luff Boom Ideal Mast Battens Weight (LB) Weight (KG)
3.5 350 139 340 4 5.5 2.5
3.9 366 145 340 4 5.7 2.6
4.3 378 154 370 4 6.1 2.8
4.5 384 158 370 4 6.2 2.8
4.7 389 163 370 4 6.4 2.9
5.0 398 170 370 4 6.6 3
5.2 406 174 370 4 6.7 3.1
5.6 421 181 400 4 7 3.2