B-STOCK. This is a product which has been returned by a customer within their 14-day money-back guarantee or opened by our team to test. Fully functional and come with a full warranty. --E10 · On ear - REPREVE® On-ear memory foam cushions covered with REPREVE®, a soft, lightweight and comfortable performance material with low isolation. Made from high quality fibers from recycled materials including plastic bottles. Emphasises midrange detail for a well balanced sound profile.