We present the Z-Fins S/Line. 

S/LINE 2026 - High-end slalom performance, smart price

The Z-Fins The S/LINE 2026 is a high-performance slalom and freerace windsurfing fin that delivers speed, control, and efficiency at a more affordable price. This second generation of the S/LINE fin is based on the legendary Z-Fins The SLM model delivers proven race performance without the cost of a fully customized fin.

Made from 75% prepreg carbon and 100% handcrafted, the Silverline fin delivers about 90% of the SLM’s performance at just 75% of the price. This makes it one of the best slalom-Fins offering great value for serious freerace and slalom riders.

On the water, the S/LINE slalom fin feels fast, efficient, and well-balanced. It delivers excellent top speed and strong control, especially at high speeds. Compared to the SLM, the wind range is slightly narrower, as the SLM delivers more power in lighter winds thanks to its softer flex. Nevertheless, the Silverline unleashes the full potential of freerace and race boards and is the perfect upgrade fin for riders who want real performance gains without entering the full-custom price range.

The No-Tip-Cut design keeps the fin predictable and stable, while the single-stiffness option ensures consistency in all conditions. Available in a targeted 32–46 cm The Silverline range covers the most popular slalom and freerace setups.

Available in Tuttle and Deep Tuttle, with Deep Tuttle featuring Foil Thanks to its compatibility with modern windsurfing boards, the Silverline 2026 integrates seamlessly into them.

Key features

The Z-Fins The S/LINE 2026 is the smart choice for windsurfers looking for race-inspired speed and reliable Z-Fins-who want control and excellent value for money.