The Cardiosport performance strap is a soft elasticated heart rate strap with polymer conductive electrodes, giving maximum performance and comfort. The adaptive polymer electrodes pick up your heart's electrical signal with 99.4% accuracy in all conditions. The standard strap is ...The Cardiosport performance strap is a soft elasticated heart rate strap with polymer conductive electrodes, giving maximum performance and comfort.
The adaptive polymer electrodes pick up your heart's electrical signal with 99.4% accuracy in all conditions. The standard strap is fully adjustable and can fit to all sizes from Small to X Large. (Heart Rate Monitor Not Included) X Small strap size ranges from: 30" - 42" (76 - 106cm) chest when fully stretched on largest adjustment 12.5- 17" (31 - 43cm) not stretched on smallest adjustment.