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elemental magnesium - 50 mg)
or everyday errands in this streamlined and versatile road-mile destroyer
when going longer
the patented footbed design absorbs impact
Patented Sock-Lock Technology to provide targeted compression where it’s needed most
Polar Pro HRM chest Strap Colour:Black elemental magnesium - 50 mg)Polar Pro Strap works with all Polar heart rate sensors. With a soft textile material, slip preventing silicone dots and a secure buckle, the strap is very comfortable to wear and stays in place even through your most intense workouts. The extra interference preventing electrodes on the strap make it extremely sensitive to your hearts electrical signals, providing maximum precision for heart rate readings and eliminating interference.