Horizon Sails are the easiest company to deal with. Get a free ‘instant’ quote Online for new sails using our online pricing module. Just chose your sail type and select the other information for your new sail ... your price will then be generated instantly. Sails are highly customized items. We need the details about your new sail, so we can provide our best service and the most appropriate sail quote. Below you will find the sail specifications for most production sailing boats; catamarans, keelboats, monohulls and multihulls. Please note that sailboats are not all built to the same specification, even from the same builder. This is due to the number of factory options available. So we recommend you carefully measure your boat to avoid errors. The list is limited to the sails most commonly used. If you have any queries, please email us with your questions, if you feel they haven’t been answered on our website. You can also email us any special order instructions, that haven’t been covered in the quote or measurement form process.