Windsurf

Duotone, 2025–2026

Ultra FreeWave SLS

2 model years · 2 boards

From the 2025 to the 2026, the 104 L is the same length and width as the 104 L it follows, and its wide point moved 79 mm toward the nose.

listed length and width · wide point derived

Duotone Ultra FreeWave SLSevery generation, one scale
  1. 2020:
  2. 2021:
  3. 2022:
  4. 2023:
  5. 2024:
  6. 2025: Duotone Ultra FreeWave SLS 2025 94 L, 2025202594 L
  7. 2026: Duotone Ultra FreeWave SLS 2026 104 L, 20262026104 L
  8. 2027:

One outline into the next · true scale, tails aligned, the one before dashed

The 2026 104 L is the same length and width as the 2025 104 L. Open the 2026

Duotone Ultra FreeWave SLS · 2 generations in 3D

Scroll, and one generation turns into the next.

2025 first, 2026 last

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01 / 02 · windsurf · 2025

Duotone Ultra FreeWave SLS 2025

The 94 L: rounded pin tail, medium nose, gently curved rails, the wide point 53 % of the way from the tail.

Side on, the nose lifts 131 mm off a flat table.

Length
7'5" 2260 mm
Width
610 mm
Volume
94 L
Sizes
6

02 / 02 · windsurf · 2026

Duotone Ultra FreeWave SLS 2026

The 104 L: pin tail, medium nose, gently curved rails, the wide point 56.5 % of the way from the tail.

Side on, the nose lifts 129 mm off a flat table.

Length
7'5" 2270 mm
Width
630 mm
Volume
104 L
Sizes
6

Step by Step

2025 → 2026

The 2026 104 L is the same length and width as the 2025 104 L; its wide point moved 79 mm toward the nose.

listed length and width · wide point derived

2026 104 L over the 2025 104 L, tails aligned, one scale
2026 104 L 2025 104 L

Generations

As listed by Duotone

Duotone Ultra FreeWave SLS, every generation
generationyearsizeslengthswidths
202520256 · 74–119 L2220–2300 mm560–685 mm
202620266 · 74–119 L2220–2300 mm560–685 mm

Compare the generations