PROFESSIONAL GRADE: MORE RESISTANCE, MORE CABLE EXTENSION, FOLDS UP TO FIT IN YOUR POCKET

DOUBLEFLEX^®

TOTAL BODY PORTABLE GYM

Your personal gym for fitness at home, office, or on the go. The DoubleFlex is powered by our patented SpiraFlex resistance technology used to keep NASA astronauts in shape on the International Space Station. World’s only exercise device that applies resistance to both sides of muscle groups in one motion, building a balanced body in less time.

Combining strength with movement, without weight or momentum, our portable gym is a new approach to functional fitness.

HOME OFFICE TRAVEL

WORKOUT ANYWHERE. ANYTIME. ON YOUR OWN.

DOUBLEFLEX^®

Build A Balanced Body

Patented SpiraFlex technology used by NASA astronauts on International Space Station.

Folds up & weighs only 2 lbs. Snap on SpiraFlex FlexPacks to increase resistance in 5 lb. increments.

DoubleFlex movements sculpt both sides of muscle groups, building a balanced body in half the time!

Lose the Weights

Keep the Resistance!

Our patented SpiraFlex^® resistance was invented for NASA as the “Mission Critical” strength training technology to keep astronauts fit and build muscle in zero gravity on the International Space Station. A NASA study showed SpiraFlex increased lean muscle as much as free-weights.