As an Amazon Associate we earn from qualifying purchases. Learn more.
Best Waterproof Fitness Trackers for Wet Rides and Swims (2026)
If your workouts include wet road rides, laps in the pool, or rainy outdoor runs, you need a tracker that keeps reliable heart-rate data and survives water without getting fussy. This guide looks at waterproof, IP68-rated trackers and low-profile smart rings that perform well in wet conditions, focusing on heart-rate reliability and real-world usability for swimmers and wet-weather cyclists. I selected these devices based on waterproof specs, continuous heart-rate & SpO2 capabilities, battery life, comfort in wet use, and real customer feedback about build quality and fit.
Quick Answer
For swimmers and cyclists who ride in the rain, the REWSX Smart Health Ring (B0F2TMJYZD) is the best overall pick for 2026 thanks to accurate 24/7 heart-rate and SpO2 monitoring in a low-profile, IP68 design. If you want a budget smartwatch with a large display and call support, the SHANG WING Fitness Tracker (B0DQV1CZF8) is the best budget option; for a more feature-rich wrist option geared toward commuting cyclists, consider the MorePro (B0F8VBXVVR).
Our Top Picks
Quick Comparison
Select 2-3 products to compare side-by-side
| Compare | Product | FitReliant Score | Price Tier | Key Feature | Best For | Action |
|---|---|---|---|---|---|---|
REWSX Smart Ring (Gold)
|
Mid-Range | Low-profile IP68 smart ring | Swimmers and rainy-ride cyclists | Check Price | ||
REWSX Smart Ring (Silver)
|
Mid-Range | Stylish, no-fee health tracking | Minimalist swimmers and travelers | Check Price | ||
REWSX Smart Ring (Black)
|
Mid-Range | Discreet black finish | Everyday swimmers who want subtle tracking | Check Price | ||
REWSX Smart Ring (Black 9#)
|
Mid-Range | Same sensors, multiple sizes | Size-specific fit for active users | Check Price | ||
SHANG WING Fitness Tracker
|
Budget | Built-in speaker & microphone | Budget-conscious wet-weather riders | Check Price | ||
MorePro Fitness Tracker
|
Premium | Comprehensive health monitoring | Commuters and gym athletes who face rain | Check Price |
1. Smart Health Ring for Women Men, Fitness Tracker Ring with Heart Rate, Blood Oxygen, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof Smart Ring for iPhone & Android (Gold, 7#)
This slim smart ring is ideal for athletes who want continuous heart-rate and SpO2 tracking without a bulky wrist unit. Its IP68 rating, long battery with portable charging case, and no-subscription app make it a discreet option for pool sessions and wet commutes where wrist bands can feel bulky or slip under gloves.
Key Specs
- IP68 waterproof rating
- 24/7 heart rate, blood oxygen, and blood pressure monitoring
- Smart sleep and activity tracking with multiple sport modes
- Battery: 3–5 days per charge; charging case extends to ~60 days
Pros
- Accurate, continuous heart-rate and sleep tracking in a low-profile form
- No subscription fees for lifetime app access
- Exceptional convenience from the charging case — great for travel
Cons
- No built-in GPS — route tracking requires phone pairing
- Requires careful sizing (sizing kit recommended) to get a secure wet fit
Best For: Swimmers and rainy-ride cyclists
Check Latest Price on Amazon2. Smart Health Ring for Women Men, Fitness Tracker Ring with Heart Rate, Blood Oxygen, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof Smart Ring for iPhone & Android (Silver, 14#)
The silver REWSX ring shares the same sensor suite and IP68 protection as the gold variant, making it a strong pick for swimmers who dislike wrist chafing and for commuters who want constant vitals monitoring in wet weather. It’s comfortable for overnight wear and provides detailed sleep graphs without extra monthly costs.
Key Specs
- IP68 waterproof rating
- 24/7 heart rate, SpO2, and blood pressure monitoring
- Automatic sleep tracking with daily/weekly reports
- Includes portable charging case and magnetic cable
Pros
- Comfortable, low-weight design that you can swim with
- High perceived quality and aesthetic appeal
- No subscription fees — lifetime app access
Cons
- Lacks onboard GPS for standalone route mapping
- Sizing/fit issues reported if you skip the sizing kit
Best For: Minimalist swimmers and travelers
Check Latest Price on Amazon3. Smart Health Ring for Women Men, Fitness Tracker Ring with Heart Rate, Blood Oxygen, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof Smart Ring for iPhone & Android (Black, 8#)
The black REWSX ring offers the same core benefits — reliable heart-rate and SpO2 monitoring in an IP68 package — with a discreet look that won’t draw attention in a crowd. It’s particularly useful for athletes who want continuous vitals during long pool sets or rainy rides without wrist interference.
Key Specs
- IP68 waterproof
- 24/7 heart rate and blood oxygen monitoring
- Multiple sport modes including running and cycling
- Charging case included for extended off-grid use
Pros
- Lightweight and comfortable for long sessions
- Detailed sleep metrics that help recovery planning
- No subscription — long-term value
Cons
- No built-in GPS — needs smartphone for route data
- May feel tight during high-intensity rides if not sized correctly
Best For: Everyday swimmers who want subtle tracking
Check Latest Price on Amazon4. Smart Health Ring for Women Men, Fitness Tracker Ring with Heart Rate, Blood Oxygen, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof Smart Ring for iPhone & Android (Black, 9#)
This size variant keeps the same IP68 protection and continuous sensors as other REWSX rings, making it an easy choice if you want the ring form factor but require a specific size for a secure fit in the water. The ring’s tiny profile minimizes drag and interference when swimming or gripping handlebars in the rain.
Key Specs
- IP68 waterproof protection
- 24/7 heart rate, blood oxygen, blood pressure monitoring
- Multiple sport tracking modes
- Portable charging case for extended battery life
Pros
- Ideal for users who need a precise fit
- Comfortable to wear during sleep and workouts
- Strong battery life with case for travel
Cons
- No onboard GPS — route logging relies on phone
- Sizing mistakes can lead to slippage in water
Best For: Size-specific fit for active users
Check Latest Price on Amazon5. Fitness Tracker 2025 Ver. (Answer/Make Calls), 1.85" Smart Watch Fitness Watches for Women Men with 24/7 Heart Rate Blood Oxygen Monitor Sleep Tracker 100+ Sport Modes IP68 Waterproof (Pink)
The SHANG WING watch gives you a large 1.85" screen, phone-call capability from your wrist, and IP68 protection at a budget price. Its combination of 24/7 heart-rate and SpO2 tracking plus over 100 sport modes makes it a practical budget pick for commuters and recreational swimmers who want value and usability in the rain or pool.
Key Specs
- IP68 waterproof rating
- 1.85-inch HD touchscreen
- 24/7 heart rate and blood oxygen monitoring
- 100+ sport modes and up to 5 days battery (typical)
Pros
- Very good value with call and notification features
- Comfortable for daily wear with many watch-face options
- Large display makes on-ride info easy to read in wet conditions
Cons
- IP68 covers general water exposure; manufacturer guidance on heavy swim use is limited
- Build/durability concerns sometimes mentioned by users
Best For: Budget-conscious wet-weather riders
Check Latest Price on Amazon6. MorePro Health Fitness Tracker with Blood oxy-gen Monitor and 24/7 Heart Rate and Blood Pressure, Sleep Monitor, 120+ Sport Modes Waterproof Fitness Watch for Women Men Android iOS, Black
MorePro offers a premium-feeling wrist tracker with advanced health metrics, smart sleep analysis, and two band options (nylon and silicone). Its IP68 rating protects against splashes and hand-washing, and the feature set suits cyclists and commuters who need detailed health insight in wet weather — though the maker advises against bathing/diving or surf use.
Key Specs
- IP68 waterproof (manufacturer notes limited swim suitability)
- 24/7 heart rate, blood oxygen, and blood pressure monitoring
- 1.57-inch touchscreen and 112–120 exercise modes
- Two bands included (nylon and silicone); up to ~7 days battery
Pros
- Strong health-tracking feature set and attractive design
- Dual-band option improves wet comfort for riders
- Good battery life and clear sleep analysis
Cons
- Manufacturer advises it’s not suitable for bathing/diving/surfing
- Blood pressure readings can be inconsistent for some users
Best For: Commuters and gym athletes who face rain
Check Latest Price on AmazonWhich One Should You Choose?
If budget is tight → choose the SHANG WING Fitness Tracker (B0DQV1CZF8) for value, large screen, and call support. If you want the least intrusive tracking for pool sessions and wet rides → choose a REWSX Smart Health Ring (B0F2TMJYZD or other sizes/finishes) for continuous heart-rate, SpO2, and long battery life without a subscription. If premium health features and wrist-style convenience matter and you mostly ride in rain rather than swim → choose the MorePro Fitness Tracker (B0F8VBXVVR).
Best for Specific Scenarios
- Open-water or pool swimmer: REWSX Smart Ring (B0F2TMJYZD) because its low profile and IP68 design minimize drag and wrist interference while giving continuous heart-rate and sleep data.
- Road commuter cycling in rain: SHANG WING Fitness Tracker (B0DQV1CZF8) because the large display and call/notification features let you keep phone stowed and see alerts at a glance in wet conditions.
- Daily health & training with detailed metrics: MorePro (B0F8VBXVVR) because of its extensive exercise modes, dual-band comfort options, and deeper sleep/health analysis for recovery-focused riders who mainly face wet roads rather than swims.
Frequently Asked Questions
Are these trackers safe to wear while swimming?
Most listed devices have an IP68 rating, which provides protection against water immersion. REWSX rings and the SHANG WING watch are marketed for workouts and outdoor activities; however, manufacturer guidance varies — MorePro specifically notes it’s not intended for bathing/diving/surfing. Always check the product manual for swim-specific guidance and rinse devices with fresh water after open-water or pool use.
Do any of these trackers include built-in GPS for route tracking?
None of the reviewed models explicitly list built-in GPS in their feature descriptions. If route mapping is essential, either pair the device with your phone’s GPS (many apps offer connected GPS) or choose a dedicated GPS running/triathlon watch that explicitly lists onboard GPS.
How accurate are heart-rate readings in wet conditions?
Optical heart-rate sensors can be accurate during steady-state workouts when the sensor maintains firm skin contact. Rings often reduce motion artifacts compared with wrist-worn units and can deliver reliable overnight and steady-exertion data. For high-intensity intervals or sprints, a chest strap remains the most accurate option if absolute precision is required.
How We Selected These Products
Our recommendations are based on data-driven analysis: we evaluated 13975+ products across 2484+ brands using a composite scoring system that weighs rating (40%), review volume (30%), price value (20%), and demand signals (10%). Every product is ranked by data, not opinions.
Last updated: October 06, 2026
As an Amazon Associate we earn from qualifying purchases at no extra cost to you. Full disclosure.
FitReliant Score is our editorial ranking based on a composite analysis of product quality, value, and verified customer sentiment. Click through to Amazon for current pricing, availability, and live customer reviews.