Reading Time: 4 minutes→ Artikel auf Deutsch Different to other sailboats, the true Skärgårdskryssare or Square Metre Boat and their successors for cruising are designated by sail area instead of their length or a formula. For example, the 15 stands for the smallest 15 m2 class, the 22 for the 22s, and so on. If the designation number is underlined, as in the …