Cosmic SLS

The Cosmic SLS Sup’s rounded nose provides stability and clean wave entry at paddling speed, while the narrow crescent tail keeps the board taut and responsive when needed. The bottom shape determines performance: a single concave in the front generates effortless speed and keeps the board responsive in weaker sections, transitioning to a double concave in the middle for maximum stability and balance. Toward the tail, an open V sheds water cleanly, freeing the tail for quick pivots and that smooth, agile feeling at the end of every turn.

4+1 Fin System: Unmatched Versatility Four multi-fin boxes plus a US center box make the COSMIC SLS four different boards in one.

Thruster (as supplied): Balanced 360° performance from large to very large waves. The universal setup: precise, controlled, and performing in all conditions.

Quad: Maximum grip. Four fins provide maximum grip and lateral hold for powerful, challenging waves where traction is key.

Twin: Maximum freedom of movement. The fluid, agile feel of a twin fin for smaller, softer waves. Carve wide arcs or perform sharp pivots: the board breathes and surfs with a freedom no other configuration can match.

Twin + Trailer: A small center fin adds just the right amount of grip and directionality to the twin-fin setup for those intermediate conditions where a little extra control makes all the difference.

Strong. Light. Superior. Made with Biax-Composite-PVC sandwich technology, each EPS foam core is individually milled using computer numerical control (CNC) machines, rather than pressed into a mold. The result is a board that’s lighter and stiffer than any other made with standard semi-custom production, with individual layup optimized for each size. Lightweight where it matters. Strong where it matters most.

Who is the COSMIC SLS intended for?

The COSMIC SLS is designed for intermediate to advanced SUP riders who are serious about performance in the waves. If you currently own several boards for different conditions, or if you’re looking for a board that can truly replace them, this is the one.

Technical Data Sheet: