The Polar H10+ hrudní strap TF, size XS-S, is a precise and comfortable heart rate sensor, ideal for effectively monitoring training. Thanks to advanced technology and compatibility with numerous apps and devices, it ensures reliable data in tempo real-time. The adjustable strap ensures a una perfect fit even for smaller body types, while the ergonomic design and breathable material enhance comfort during any sports activity. Perfect for those who want accurate performance tracking.