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Polar Fitness

(8 products)

Products (8)

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Sale Ends May 25
PolarH10 Heart Rate Sensor - M-XXL Strap
$94.49
Save 9%
compared to $104.95
143 reviews with an average rating of 3.4 out of 5 stars
Sale Ends May 25
PolarVantage V3
$594.99
Save 15%
compared to $700.00
1 reviews with an average rating of 5.0 out of 5 stars
Sale Ends May 25
PolarVerity Sense Optical Heart Rate Sensor
$94.49
Save 9%
compared to $104.95
22 reviews with an average rating of 3.5 out of 5 stars
PolarStreet X
$250.00
0 reviews
Sale Ends May 25
PolarVantage M3
$424.99
Save 15%
compared to $500.00
0 reviews
PolarLoop
$200.00
0 reviews
PolarIgnite 3
$279.93
Save 30%
compared to $400.00
1 reviews with an average rating of 4.0 out of 5 stars
PolarGrit X2 Pro
$699.93 - $769.93
Save 30%
compared to $1,000.00 - $1,100.00
2 reviews with an average rating of 3.0 out of 5 stars
Lorem

Lorem

Get $130 in value

When approved for the REI Co-op Mastercard by May 25, you’ll get $30 in card rewards. Plus, you can earn a $100 REI gift card after your first non-REI purchase within 60 days from account opening. Terms apply.
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Related Expert Advice articles

Types of Heart-Rate Monitors (HRM)

Chest strap monitors: worn across the chest and against the skin; the most accurate because they measure heart rate electronically
Wrist-only monitors: worn on the wrist; comfortable and convenient but the least accurate compared to the other types
Armband monitors: worn on the upper arm; more accurate than a wrist-top model, less fussy than a chest strap

Which features matter to you?

Battery life: In GPS modes, wrist-only monitors tend to have less battery life than chest-strap and armband HRMs.
Tethering: Chest-strap and armband HRMs don't have display screens so need to be paired with a compatible device.
Swim compatibility: Not all water-resistant models are swim-compatible.
Stride data: By tracking ground contact time, HRMs can show a runner how evenly split their stride is, among other stride-related data.
Sport-specific features: These can include speed and cadence feedback for cyclists and runners, or pool-lap counters and stroke recognition for swimmers.
Wrist-only (GPS watch) features: These include target heart rate zones, step and calorie counters and lap/split times.

Heart Rate Monitor Use and Design

Heart rate target zones provide critical data to help you measure your training.
Skin tone may affect the accuracy of optical heart rate monitors (wrist-only and armband). Those with dark skin tones may want to opt for chest-strap HRMs.
Users of heart rate monitors include endurance athletes like runners, cyclists, hikers and skiers; climbers; weight-loss participants; and injury-rehabilitation patients.