"These 18-year-old kids who join the Army wear Nike because they like the brand, " says Robert Kinney , director of individual protection at the U.S. Army's Natick Soldier Center.
Hamm has eschewed big endorsements in retirement (she is still affiliated with Nike and Gatorade through her charity) to concentrate on being a mother to her three kids with six-time All-Star Nomar Garciaparra and her foundation.