Boss Up 2026 – This is the most versatile board in the Slater Designs range, it works in everything from smaller surf to barrels.
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Boss Up 2026
The Boss up is the bigger brother of the S Boss, Kelly's first-ever midlength. Designed by Dan Mann in partnership with Kelly Slater and Kevin Schulz, this utility midlength is the most well-rounded and versatile shape in the Slater Designs range, crafted to cruise across weak wave faces and grind through cavernous overhead tubes. Built with I-Bolic 2.0 Core with Fiberglass Lamination.
Wave Type
This is the most versatile board in the Slater Designs range, it works in everything from smaller surf to barrels. The crew has been loving it in punchy surf with an open face, a perfect board for carving and linking turns. While many look at this shape for small and gutless surf, it would work well at a big point break like Pavones or Rincon, or even a big day at Sunset.
Board Features
The Boss Up is an elongated evolution of the S Boss, with bigger dimensions and a longer rail line for enhanced drive and versatility across all conditions. This shape is one that doesn't command you dial-in your volume perfectly - any single surfer can ride the Boss Up in a variety of sizes. Around +13 liters of volume more than your standard shortboard is the team's recommendation.
Available Sizes
| Length | Width | Thickness | Volume |
|---|---|---|---|
| 6'6" | 20 1/8" | 2 7/8" | 39.5L |
| 6'8" | 20 1/4" | 2 7/8" | 40.8L |
| 6'10" | 20 3/8" | 2 15/16" | 43.0L |
| 7'0" | 20 7/16" | 2 15/16" | 44.3L |
| 7'2" | 20 1/2" | 3" | 46.4L |
| 7'4" | 20 7/16" | 3 1/16" | 48.4L |
| 7'6" | 20 5/8"L | 3 1/8" | 51.1L |
Frequently Asked Questions
What size should I choose?
Use the size chart above as your guide — volume (litres) is the most reliable indicator for fit. Beginners and heavier surfers generally benefit from more volume, while experienced surfers can ride lower volumes for greater performance. When in doubt, go slightly larger for everyday waves.
What fins work best with this board?
Check the product specifications for the exact fin system and compatible fin templates.
What technology is this board built with?
This board is built with I-Bolic 2.0 Core with Fiberglass Lamination.
How do I repair a ding?
For small surface dings, use a solar-cure ding repair kit, available at most surf shops. Sand smooth once cured. For larger or deeper damage, consult a professional shaper or board repair specialist. Always repair dings as soon as possible to prevent water from entering the foam core.
Care & Maintenance
Rinse your board with fresh water after each session. Avoid prolonged exposure to direct sunlight when not in use, as UV and heat can damage the foam and resin. Store your board in a padded bag away from heat sources. Repair any dings or cracks promptly with a solar-cure repair kit to prevent water ingress into the core.
Package Contents
- 1× Boss Up 2026