---
product_id: 727801049
title: "WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof Accessory | Silicone Band for Health, Fitness, & Wellness Wearable"
brand: "whoop"
price: "¥21413"
currency: JPY
in_stock: true
category: "Whoop"
url: https://www.desertcart.jp/products/727801049-whoop-5-0-mg-sportflex-waterproof-sweatproof-accessory-silicone-band
store_origin: JP
region: Japan
---

# 100% Waterproof Breathable Ventilation Durable Sweatproof Silicone WHOOP 5.0/MG SportFlex – Waterproof, Sweatproof Accessory | Silicone Band for Health, Fitness, & Wellness Wearable

**Brand:** whoop
**Price:** ¥21413
**Availability:** ✅ In Stock

## Summary

> 💪 Elevate your grind with the SportFlex band that never quits.

## 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?** ¥21413 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/727801049-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

- • **Dive In Confidently:** Completely waterproof design lets you swim, surf, or sweat without worry.
- • **Stay Fresh, Stay Clean:** Ultra-smooth, hygienic silicone that's easy to wipe down or deep-clean for all-day freshness.
- • **Unstoppable Durability:** Built to endure your toughest workouts and wildest adventures without missing a beat.
- • **Perfect Fit, Every Time:** Adjustable closure system ensures a snug, secure fit—no slipping, no distractions.
- • **Next-Level Compatibility:** Exclusively designed for WHOOP 5.0, elevating your wearable experience to the latest standard.

## Overview

The WHOOP 5.0 SportFlex band is a premium, waterproof, sweatproof, and dirtproof silicone accessory designed for high-performance fitness enthusiasts. Featuring an adjustable, breathable fit and easy-to-clean material, it’s engineered to withstand intense workouts and aquatic activities. Compatible exclusively with WHOOP 5.0, it offers durability and comfort tailored for the modern athlete.

## Description

WHOOP 5.0 SportFlex – Waterproof, Sweatproof, Silicone Accessory for Health, Fitness, & Wellness Wearable – Not Compatible with Gen 4 – Drift : 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.
- COMPATIBILITY – This is not compatible with the WHOOP 4.0

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0G31168ZT |
| Best Sellers Rank | #84 in Electronics ( See Top 100 in Electronics ) #3 in Arm & Wristband Technology Replacement Bands |
| Customer reviews | 4.2 4.2 out of 5 stars (594) |
| 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/518Yt8ZDf5L.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/727801049-whoop-5-0-mg-sportflex-waterproof-sweatproof-accessory-silicone-band](https://www.desertcart.jp/products/727801049-whoop-5-0-mg-sportflex-waterproof-sweatproof-accessory-silicone-band)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-28*