---
product_id: 727659944
title: "WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof Accessory | Silicone Band for Health, Fitness, & Wellness Wearable"
brand: "whoop"
price: "¥21041"
currency: JPY
in_stock: true
category: "Whoop"
url: https://www.desertcart.jp/products/727659944-whoop-5-0-mg-sportflex-waterproof-sweatproof-accessory-silicone-band
store_origin: JP
region: Japan
---

# adjustable, breathable fit 100% waterproof durability sweatproof & dirtproof silicone WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof Accessory | Silicone Band for Health, Fitness, & Wellness Wearable

**Brand:** whoop
**Price:** ¥21041
**Availability:** ✅ In Stock

## Summary

> 💪 Elevate your grind with the SportFlex band that keeps up—rain, sweat, or surf!

## Quick Answers

- **What is this?** WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof Accessory | Silicone Band for Health, Fitness, & Wellness Wearable by whoop
- **How much does it cost?** ¥21041 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/727659944-whoop-5-0-mg-sportflex-waterproof-sweatproof-accessory-silicone-band)

## Best For

- whoop enthusiasts

## Why This Product

- Trusted whoop brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Tailored to You:** Adjustable closure with ventilation ensures a secure, breathable fit no matter the intensity.
- • **Dive Into Action:** Fully waterproof design perfect for swimming, surfing, and high-sweat sessions.
- • **Unstoppable Durability:** Waterproof, sweatproof, and dirtproof silicone built for your toughest workouts.
- • **Comfort Meets Performance:** Ultra-smooth, soft-touch silicone that’s hygienic and easy to clean for all-day wear.
- • **Next-Level Health Tracking:** Compatible with WHOOP Life membership for on-demand ECG readings—stay ahead of your wellness game.

## Overview

The WHOOP 5.0/MG SportFlex band is a premium, waterproof, sweatproof, and dirtproof silicone accessory designed for high-performance fitness and wellness tracking. Featuring an adjustable, breathable fit and compatibility with WHOOP Life membership for ECG readings, it’s engineered to support intense workouts and active lifestyles with durability and comfort.

## Description

WHOOP MG SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – ECG Compatible – Not Compatible with Gen 4 – Gravity : desertcart.ae: Electronics

## Features

- BUILT FOR HIGH PERFORMANCE – SportFlex is designed with waterproof, sweatproof, and dirtproof silicone. It’s highly durable and designed to withstand your most intense workouts and adventures.
- MADE WITH SOFT-TOUCH SILICONE – SportFlex is ultra-smooth, hygienic, and easy to clean. Small scuffs can be wiped off, or you can deep-clean the band with isopropyl alcohol and a lint-free cloth followed by a water rinse.
- ADJUSTABLE AND BREATHABLE – SportFlex is made with an adjustable closure system to ensure a snug, secure fit—no matter how intense your workout. The band includes ventilation details, making it extra breathable and comfortable.
- 100% WATERPROOF – SportFlex is completely waterproof, making it an essential accessory for everything from swimming laps and surfing to high-sweat, high-intensity workouts.
- OPTION FOR ECG COMPATIBILITY – With a WHOOP Life membership, choose a SportFlex band to take on-demand ECG readings.*

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0G31168ZT |
| Best Sellers Rank | #87 in Electronics ( See Top 100 in Electronics ) #3 in Arm & Wristband Technology Replacement Bands |
| Customer reviews | 4.2 4.2 out of 5 stars (598) |
| Date First Available  | 19 November 2025 |

## Images

![WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof Accessory | Silicone Band for Health, Fitness, & Wellness Wearable - Image 1](https://m.media-amazon.com/images/I/519QTDFwyIL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- WHOOP 5.0/MG SportFlex – ECG Compatible, Waterproof, Sweatproof, Silicone Accessory for Health & Fitness Wearable - Not Compatible with Gen 4
- WHOOP 5.0/MG SuperKnit – ECG Compatible, Signature Performance Knit – Not Compatible with Gen 4

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**Shop now:** [https://www.desertcart.jp/products/727659944-whoop-5-0-mg-sportflex-waterproof-sweatproof-accessory-silicone-band](https://www.desertcart.jp/products/727659944-whoop-5-0-mg-sportflex-waterproof-sweatproof-accessory-silicone-band)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-06*