Best Overall
Garmin HRM 200
Key details
- Data
- Heart rate and HRV
- Battery
- Up to 1 year, replaceable
- Strap Sizes
- XS–S and M–XL
- Water Rating
- 3 ATM
The HRM 200 is the strap we reach for by default, and the reason is almost boring: it asks nothing of you. Garmin rates the coin cell at up to a year, so there's no charging cable in the gym bag, the band is machine washable, and the pod carries a 3 ATM water rating that covers sweat, rain and a rinse at the sink. Put it on, wet the electrodes, and it disappears for the rest of the session.
What we watched most closely was the data at the top of a hard effort, where wrist sensors tend to lag. The HRM 200 held a believable curve through intervals, and it broadcasts heart rate variability as well as heart rate, which matters if your app scores recovery. It isn't the most capable sensor Garmin sells — the HRM 600 adds running dynamics and onboard recording — but for heart rate on its own, we didn't find a gap worth paying for.
Two practical notes. The strap comes in XS–S and M–XL, and which one you get depends on the size you order, so measure rather than assume the standard band will cinch down to a smaller chest. And pairing can stall for a moment when you switch to a different activity type; give it a beat before you start the clock and it settles.
If your training is mostly steady and you check the numbers afterward, that's all you need. The extra money in this category buys data and recording features, not a more trustworthy heart rate at the same effort.
Pros
- Up to a year on a replaceable coin cell
- Machine-washable strap in two sizes
- 3 ATM rating handles sweat and rain
- Sends heart rate and HRV data
Cons
- No running dynamics or onboard recording
This is the strap we recommend first: a year on one coin cell, a washable band, and steady readings through hard intervals, with nothing to charge and nothing to remember.