Fenda-Sox for 12" x 29" AERÉ Inflatable Fenders. These fender covers will fit 12" x 29" AERÉ Inflatable Fenders. Made from heavy duty Fenda-Sox material, these fender covers will be the perfect solution for you. From the yarn to the finished cover, all Fenda-Sox are made in the USA. These will be the last fender cover you will ever want to buy.