Engineering enhancements are ongoing and may not be reflected in the pictures, videos and specifications.

JOD 35
[universal_stock_status]
This machine-washable strap comes in two sizes and is compatible with the HRM-Dual, HRM 200 and HRM 600.
Please choose the appropriate size based on chest circumference.
XS-S: Strap length: 56–72 cm (22″–28″)
Fits chest size 60–85 cm (23.5–33.5”)
M-XL: Strap length: 72–106 cm (28″–42″)
Fits chest size 80–119 cm (31.5–47″)