---
product_id: 725231114
title: "WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – Not Compatible with Gen 4"
brand: "whoop"
price: "¥18868"
currency: JPY
in_stock: true
category: "Whoop"
url: https://www.desertcart.jp/products/725231114-whoop-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-health
store_origin: JP
region: Japan
---

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

**Brand:** whoop
**Price:** ¥18868
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** WHOOP 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?** ¥18868 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/725231114-whoop-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-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

- • **Tailored to You:** Adjustable closure with ventilation ensures a secure, breathable fit no matter the intensity.
- • **Dive In Confidently:** Fully waterproof design lets you swim, surf, and sweat without limits.
- • **Silky Smooth Comfort:** Soft-touch silicone that's hygienic, easy to clean, and feels like a second skin.
- • **Seamless Compatibility:** Designed exclusively for WHOOP 5.0, Peak, and Life models—upgrade your wellness game.
- • **Unstoppable Performance:** Built to endure your toughest workouts and water adventures without missing a beat.

## Overview

The WHOOP 5.0/MG SportFlex is a premium silicone accessory engineered for high-performance fitness and wellness wearables. Waterproof, sweatproof, and dirtproof, it offers a breathable, adjustable fit with easy cleaning and durability designed to withstand intense workouts and water activities. Compatible with WHOOP 5.0, Peak, and Life models, it’s the ultimate upgrade for active professionals seeking reliability and style.

## 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 | B0DY8QTYWC |
| Best Sellers Rank | #819 in Electronics ( See Top 100 in Electronics ) #2 in Arm & Wristband Technology Replacement Bands |
| Brand Name | WHOOP |
| Color | Gravity |
| Customer Reviews | 4.2 4.2 out of 5 stars (596) |
| Date First Available | May 7, 2025 |
| Item Package Dimensions L x W x H | 7.91 x 2.17 x 1.06 inches |
| Manufacturer | WHOOP |
| Number of Items | 1 |
| Package Weight | 0.07 kg |
| Part Number | 959-001-000-046-00010 |
| Size | WHOOP 5.0 |
| Style | Modern |
| Suggested Users | Unisex Adult |
| Units | 1 Count |

## Images

![WHOOP 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/51LkuBAxIEL.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/725231114-whoop-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-health](https://www.desertcart.jp/products/725231114-whoop-5-0-mg-sportflex-waterproof-sweatproof-silicone-accessory-health)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-21*