Do you have a friend who just committed to dropping 15 pounds or a cousin who is training for his first 10K? From wireless headphones to the perfect sports bra, we've rounded up the best gifts for the fitness buff in your life.Avoid tangled headphones while running with a pair of wireless earbuds The BackseatGo Bluetooth headset by Plantronics are super-light, and can be used for phone calls as well as listening to music.