Own the Michael Phelps autographed Speedo Fastskin FSII swimsuit and autographed photo featuring himself.

The Fastskin and poster are up for auction through Clothes Off Our Back. The world's fastest swimmer signs the world's fastest swimsuit. The Michael Phelps-signed Speedo Fastskin FSII is made of fabric that scientifically mimics sharkskin, the fastest animal in the water. Worn by 50% of Olympic Gold Medalist swimmers at the 2004 Athens Olympics. Retails for $320 ... without the Phelps signature. Mr. Phelps loves music. This signed poster shows the swimming star stretching before a race. Mr. Phelps is the most recognized Olympian on the planet, having won a record 8 Olympic Medals at the 2004 Athens Games. The swimmer has become an icon in the sporting community, not only for his prowess in the pool but his commendable sportsmanship.

Proceeds from the auction benefit the emergency relief efforts in Darfur, Children's Defense Fund and Cure Autism Now.