JogFlex, WalkFlex and PhysioFlex wearable muscle toners are uniquely engineered to target and tone your upper body muscles while engaged in cardio exercises like running or walking. Each device comes complete with comfort grips and flexicords. Our mobile muscle toners were designed by athletes looking for a convenient and effective way to amp up their workout. Our family of muscle toners are lightweight, comfortable, portable, packable, flexible, water-resistent and adjustable. You simply clip onto your waistband, grab your comfort grips, and start flexing - up to 500 reps per kilometre!