by Gymboss
(66)Buy new: $24.94
2 used & new from $19.95
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The Gymboss is a small, easy-to-use, dual-mode, interval timer. This multi-use timer has many versatile functions that make it beneficial to virtually any type of exercise program. No more looking at the clock. The Gymboss allows you to focus all your intensity on the workout, giving you a better workout with better results!
Maximize your training to increase:
Anaerobic endurance,
Cardio endurance,
Increased VO2max,
Muscle strength/size, and
Fat loss