Duotone SUP Cosmic SLS

Duotone SUP Cosmic SLS

The Duotone SUP Cosmic SLS is a technical board within the Hard SUP boards category , Wave SUP from the 2026 collection. This model by the brand Duotone comes in black with a color palette of white, light blue and green (teal and lime). The construction consists of high-quality materials such as Innegra Carbon and a vacuum sandwich layer for low weight and high stiffness. Because of the specific shape with thinner rails and shorter length this board is suitable for intermediate suppers and pros who actively ride waves.

Everything about the Duotone SUP Cosmic SLS

The SLS on this Duotone SUP Cosmic SLS stands for Strong Light Superior. This means that the board is built with a strong core of EPS foam and an outer layer of carbon and Innegra. If you look at Duotone Hard SUP boards you will see that this model is specially designed for surf. This Wave SUP from Duotone has a rocker line tuned for maneuverability in the wave. The tracking or course keeping is down to earth functional for paddling to the lineup while maintaining stability due to the width distribution. The fin system allows you to switch between different setups for various water conditions. You'll notice by the directness of the material that every move you make is immediately transformed into action on the water.

Features of the Duotone SUP Cosmic SLS

• Construction with Innegra Carbon and EPS
• Wave SUP shape for surfing performance
• Lightweight PVC vacuum sandwich technology
• Multibox system for various fin setups
• Integrated Ledge Pro handle for carrying
• Thin rails for direct carving control
• High stiffness for efficient energy transfer

Reviews from the SUP-ers

Suppers using this board often mention the direct feedback when making turns in the surf. The stiffness of the SLS construction allows the board to hold speed after a turn. Experienced users report that the balance between volume and maneuverability fits well during active sessions.

Information Sources:Information was used for this description from the official Duotone Sports website about the SLS (Strong Light Superior) technology and product lines. Additionally, specifications were consulted through general SUP platforms such as sups.nl for the sailing properties of the Cosmic shape and material properties of Innegra Carbon constructions at hardboards.