Unless the delivery to Chicago is a critical must-have factor, you may also consider vendors like
Hong Kong Sailmakers Get a Quote
Rolly Tasker Sails, International Sailmakers, Cruising Sails, Racing Sails, Mast and Rigging, Sailing Accessories
Both are competitively priced, have decent reputations for quality and will deliver where ever you need and if it's Turkey then one of these may be less expensive on delivery.
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Arthur C. Clarke