ECCO has signed Graeme McDowell, the golf champion from Northern Ireland, to wear the ECCO logo on his headwear and compete wearing its new Comfort Classic golf shoes. McDowell, the defending champion of the U.S. Open, will appear in marketing and advertising campaigns for the company throughout the multi-year agreement. Separately, ECCO is the official footwear supplier for the 2011 AT&T Pebble Beach National Pro-Am, being held Feb. 7-13. The company will outfit all amateur participants in BIOM Golf and Golf Street shoes.