• 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% Polyester
• Imported
• Comfortable chest strap for heart RATE measurement
• The Smart Fusion of soft fabrics and adaptive electrodes make it extremely sensitive to your heart's electrical signals, so the heart RATE sensor can pick up heart RATE quicker and more accurately
• Compatible with all Polar heart RATE sensors, utilizing the same snap attachment method
• Extra interference-preventing electrodes on the strap make it extremely sensitive to your heart's electrical signals