Over twelve hundred  International 110s and 210s designed by C. Raymond Hunt have been built through the years, and a large portion are still actively racing. 10 Class has been formed  to complement the existing fleet with four new class vessels based on existing surviving drawings ranging in size from 11 to 17 meters. Furthering an important design philosophy of efficient, fast, affordable and easy to build vessels.

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Ten Class is a unique industry wide alliance formed by ClassicSailboats.Org to honor the legacy and vision of C. Raymond Hunt. 10 Class  is  a development class that allows for continued improvements through the vision of some of the world's leading naval architects, sailmakers, and equipment providers.  The class will be governed  by a strict box rule allowing for innovations, and design improvements, while retaining the classic vessels vintage roots.

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In order to accommodate all budgets, owners with modest building skills can order vessels preassembled through tab and glue construction assembly, or ordered through on demand additive manufacturing and 3D printed and assembled throughout the world at the discretion of each owner or syndicate. The sailplan will consist of either a traditional  stayed mast or one single stayless mast, with a soft Wingsail limiting sail area to each class sail area designation.

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First we will introduce the all new International 310 Class. The design will be based  on the vessel that started it all the 225. Aesthetic and performance enhancements will rival even todays sportboats. The launch of the 310 will be  followed  by three additional 10 Class vessels: the 410, 510, and 1010. Each class will have two versions; Vintage, and Development Class. Aside from the Vintage vessels, all vessels appendages must retract allowing the vessels to be ramp launched, keeping operational, manage and storage cost to a minimum. All vessels will be built from environmentally sustainable materials, and will be fully recyclable, closing the loop of sustainability.

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10 Class vessels must feature self bailing cockpits, simple rigs, driven with minimal sail area. Resulting vessels will not only fuse modern attributes of yacht design into a multi-generational classical package, but will serve as a platform for educational programs (STEM – Science, Technology, Education, Math) and environmental initiatives.

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The construction of the 10 Class vessels will be unique resulting in a green, simple, affordable building process that will allow the vessels to be assembled by anyone with average skills and equipment, or professionally assembled.  This fulfills Ray Hunts legacy in creating low weight, high performance vessels with low cost and ease of maintenance. The vessels will be unsinkable, and will comply with Bluestar strict guidelines.