---
product_id: 729591876
title: "5.0/MG SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – Not Compatible with Gen 4"
brand: "whoop"
price: "¥19054"
currency: JPY
in_stock: true
category: "Whoop"
url: https://www.desertcart.jp/products/729591876-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-for-health
store_origin: JP
region: Japan
---

# Adjustable breathable fit for max comfort 100% Waterproof for all conditions Durable, sweatproof & dirtproof silicone 5.0/MG SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – Not Compatible with Gen 4

**Brand:** whoop
**Price:** ¥19054
**Availability:** ✅ In Stock

## Summary

> 💪 Elevate your fitness with the band that keeps up with every move.

## Quick Answers

- **What is this?** 5.0/MG SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – Not Compatible with Gen 4 by whoop
- **How much does it cost?** ¥19054 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/729591876-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-for-health)

## 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

- • **Seamless Band Swaps:** Includes Fast Link slider for effortless band changes to match your style or activity.
- • **Silky Smooth Comfort:** Soft-touch silicone that's hygienic, easy to clean, and feels like a second skin.
- • **Tailored Fit, All Day:** Adjustable closure with ventilation ensures a secure, breathable fit no matter the intensity.
- • **Unstoppable Performance:** Built to endure your toughest workouts and water adventures without missing a beat.
- • **Next-Level Compatibility:** Designed exclusively for WHOOP 5.0, Peak, and Life models—upgrade 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 easy band swapping, it is compatible with WHOOP 5.0, Peak, and Life models, making it the ultimate upgrade for active professionals seeking durability and comfort.

## Description

Made with soft-touch silicone, SportFlex is waterproof, sweatproof, and dirtproof—built to take on high performance and water activities. Includes a Band, Hook, Clasp, and a Fast Link slider that makes swapping bands easier than ever. Compatible with WHOOP One, WHOOP Peak, and WHOOP Life—membership not included. This is not compatible with the WHOOP 4.0.

## 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.
- COMPATIBILITY – This is not compatible with the WHOOP 4.0

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DY8FL4M9 |
| Best Sellers Rank | #813 in Electronics ( See Top 100 in Electronics ) #5 in Arm & Wristband Technology Replacement Bands |
| Brand Name | WHOOP |
| Color | Rush |
| Customer Reviews | 4.2 4.2 out of 5 stars (561) |
| Date First Available | May 7, 2025 |
| Item Package Dimensions L x W x H | 7.83 x 2.28 x 1.06 inches |
| Manufacturer | WHOOP |
| Number of Items | 1 |
| Package Weight | 0.07 kg |
| Part Number | 959-001-001-046-00011 |
| Size | WHOOP 5.0 |
| Style | Modern |
| Suggested Users | Unisex Adult |
| Units | 1 Count |

## Images

![5.0/MG SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – Not Compatible with Gen 4 - Image 1](https://m.media-amazon.com/images/I/51EYGVJ8cjL.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/729591876-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-for-health](https://www.desertcart.jp/products/729591876-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-for-health)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-14*