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The History of the Sports Bra
As seen on the Biggest Loser

EFX Sports Bracelet and Performance Bands

3 Item(s)

per page

Set Descending Direction

3 Item(s)

per page

Set Descending Direction

EFX

If you want to perform at your best, then consider the holographic performance technology from EFX. EFX is energetic technology designed to instantly increse power, balance and flexibility by stabilizing and harmonizing the body's bioelectric current much like accupuncture treatments.