Polar Pro Strap hrm What technology helps generate more

What technology helps generate more spin

PowerGlide II™ technology provides super-smooth shifting between gears

giving you versatility in both offensive and defensive plays

No Black toe nails

Polar Pro Strap hrm What technology helps generate morePolar 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.