Duotone is a brand of kiteboarding equipment, including kites, boards, and foils. Kitefoiling is a type of kiteboarding where the rider uses a hydrofoil board to lift off the water and glide above the surface.

The Duotone Foil Series boards are designed specifically for kitefoiling and feature a lightweight construction and a hydrodynamic shape for efficient performance. The brand also offers a range of kites that are suitable for kitefoiling, including the Duotone Dice and the Duotone Rebel.

Overall, Duotone is a well-respected brand in the kiteboarding industry and their kitefoiling products are popular among riders who are looking for high-quality equipment to enhance their performance on the water.