This machine-washable strap comes in two sizes.
- Compatible with HRM-200 and the HRM-Dual
- XS-S: suitable for chest circumference of 60-85 cm (23.5 - 33.5 inches)
- M-XL: suitable for chest circumference of 80-119 cm (31.5 - 47 inches)
⚠ Ca Residents: Proposition 65 warning