Sennheiser OMX 680i Sports Review: Sennheiser and Adidas have collaborated to produce a quality pair of sports headphones - Headphones - Portable Headphones - Good Gear Guide
Sennheiser partners with Adidas for sportproof earphones | What Hi-Fi?
Sennheiser X Adidas OMX 680i Sports Earclip Headphones with Mic and Remote | eBay
Sennheiser MX 680 Sports Earbud Headphone with Volume control & Earfin Clips (Discontinued by Manufacturer) : Electronics - Amazon.com
Sennheiser CX680 Canal Adidas inspired Sport Earphone - Newegg.com