Best Water Resistant Heart Rate Monitors of 2025

The Polar H10 Monitor is renowned for its high accuracy, making it the most precise heart rate sensor in Polar's history. You'll appreciate its connectivity options, as it supports Bluetooth, ANT+, and 5 kHz, allowing multiple devices to connect simultaneously. The Polar Pro Chest Strap enhances comfort with improved electrodes and a secure fit, so it won't slip during your workouts. Plus, it's versatile enough for various activities, whether you're rowing, cycling, or running, and is fully waterproof for added durability.

The MYZONE MZ-Switch is a versatile and waterproof heart rate monitor designed for use on your chest, wrist, or arm. With adjustable straps, it allows you to record your heart rate while participating in any sport, regardless of the weather. You can easily connect it to your Apple or Android devices, or even to popular cardio machines, enhancing your workout experience. The Myzone App lets you track your workout stats in real time, helping you stay motivated and compete with friends, making every session more rewarding.

The COOSPO Heart Rate Monitor offers real-time data to help you track your heart rate and calories burned, ensuring you maximise your workouts. With BLE 4.0 and ANT+ technology, it connects seamlessly to popular fitness apps and GPS watches, making it convenient for your training sessions. The sensor features LED indicators and beep tones to confirm connection and readings, providing reassurance during use. Additionally, the adjustable strap accommodates various sizes, ensuring a comfortable fit while you exercise.

The COOSPO HW9 Armband is designed to deliver accurate heart rate and calorie tracking using advanced optical technology, allowing you to monitor your fitness levels with a minimal error margin of ±1BPM. With its heart rate zone monitoring feature, you can easily identify your training intensity and optimise your workouts accordingly. The armband is comfortable to wear, providing freedom of movement in various sports, making it a great alternative to traditional chest straps. Additionally, its Bluetooth 5.0 and ANT+ connectivity ensures seamless compatibility with numerous fitness devices and apps.

The Cardiosport Battery Door is designed for compatibility with several heart rate monitors, including Wahoo TICKR and Peloton models. It is made from high-quality ABS plastic that boasts IPX67 water resistance, ensuring durability and protection against the elements. Installation is straightforward, allowing you to replace the battery door with just a coin, making it user-friendly. With this battery door, you can easily access and change your CR2032 coin cell battery, helping to keep your heart rate monitor functional and reliable.

The moofit HW401 Monitor offers precise heart rate tracking through advanced optical sensor technology, ensuring accuracy within ±1 bpm. You can easily connect it to fitness equipment and apps via Bluetooth and ANT+, making it ideal for various activities, from outdoor training to indoor cycling. The LED light provides a quick visual confirmation of your heart rate and connection status, enhancing usability during workouts. With an IP67 waterproof rating, you can confidently wear it while exercising without worrying about sweat or water damage.

The moofit HR6 Monitor offers impressive connectivity with Bluetooth and ANT+ technology, allowing you to connect with multiple devices at once. You can enjoy real-time data display, helping you accurately track your heart rate and calorie burn during workouts. Its comfortable fabric design ensures a secure fit, adjustable from 65 to 95 cm, making it ideal for various body types. With a replaceable CR2032 battery lasting 10-12 months, you can rely on this monitor without frequent replacements, providing a convenient option for your fitness journey.

The iGPSPORT HR40 Monitor offers high accuracy through its Bluetooth and ANT+ dual module, allowing you to effectively track your heart rate during exercise. With a remarkable battery life of up to 1200 hours, you can focus on your workouts without worrying about frequent replacements. The soft and adjustable elastic design ensures a comfortable fit, accommodating various chest sizes. Additionally, its IPX7 waterproof rating means you can exercise in various weather conditions without concern.

The SUUNTO Heart Rate Belt is designed to enhance your sports experience with its lightweight and comfortable fit, making it ideal for running and swimming. It accurately measures your heart rate and fluctuations, ensuring you can monitor your performance effectively. The belt features R-R variability memory, allowing you to record data without needing to wear a watch. With water resistance up to 30 metres, you can confidently wear it while swimming. Plus, its compatibility with various Suunto watches and sports tracker apps means you can easily integrate it into your fitness routine.

The UPTIVO MATTER OF INTENSITY Monitor offers advanced features to enhance your fitness journey. With optical heart rate monitoring, you can easily track your heart rate in real-time, helping you optimise your workouts. The heart rate driven LED lights provide visual feedback, allowing you to adjust your intensity levels on the go. Additionally, the SpO2 measurement feature helps you monitor your blood oxygen levels, ensuring you're performing at your best. Its water-resistant design means you can wear it during various activities without worry.