Flex Trainer

The package includes 3 levels of resistance to choose from that gently pull players into a lower playing height (with knees slightly bent). Since efficient movement in tennis is the key to better play, and lower playing height is the key to more efficient movement, the Flex Trainer is a "must have" training tool.  The Flex Trainer is designed to give athletes a feel for playing height while enhancing their fitness regimen. Sports performance that can benefit from using the Flex Trainer include: Football, baseball, basketball, tennis, and many more.

Heavy stitching, adjustable Velcro, and comfortable to wear. Instructions include