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WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – Not Compatible with Gen 4 Gravity WHOOP MG

What people love (and don’t love)

What people love

  • Comfortable, soft, and feels like wearing nothing.
  • Waterproof, sweat-resistant, and quick-drying, ideal for sports and swimming.
  • High quality and sturdy material, fits well and looks great.
  • Easy to wear and recommended as a worthwhile upgrade over basic or knockoff bands.
  • Does not retain odor like other types of bands.

What people don’t love

  • Band may fall apart or separate from the metal bracket after a few weeks.
  • Price is on the higher side compared to alternatives.

Comfortable, high-quality sport band with excellent waterproofing, though some durability concerns exist.

Summary based on customer review evidence.

Quick facts

  • Brand: ‎WHOOP
  • Price: USD 59.00
  • Rating: 4.40 (317 reviews)

If you push your wearable through hard training, water sessions, and everyday wear, the WHOOP 5.0/MG SportFlex band is built to keep up. Made from waterproof, sweatproof, and dirtproof silicone, it’s designed for high-performance use while staying comfortable on the wrist.

SportFlex features a soft-touch, ultra-smooth feel that’s hygienic and easy to clean—wipe away small scuffs or deep-clean with isopropyl alcohol and a lint-free cloth, then rinse with water. The adjustable closure helps you dial in a snug, secure fit, and ventilation details add breathability for long workouts.

Compatibility note: This band is not compatible with WHOOP 4.0 and is also listed as not compatible with Gen 4 Gravity WHOOP MG.

  • Waterproof, sweatproof, and dirtproof silicone built for high-performance training
  • Soft-touch, ultra-smooth band that’s hygienic and easy to clean
  • Adjustable closure system for a snug, secure fit
  • Ventilation details for added breathability and comfort
  • Completely waterproof for swimming, surfing, and high-intensity workouts
  • Optional on-demand ECG compatibility when paired with a WHOOP Life membership (where available)

Quick details: Color: Gravity • Size: WHOOP MG • Includes: 1 item • Customer rating: 4.4/5 (317 reviews) • Price: $59