---
product_id: 776786434
title: "MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts"
brand: "myzone"
price: "R100967"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/776786434-myzone-mz-3-adjustable-replacement-chest-strap-medium-comfortable-secure
store_origin: ZA
region: South Africa
---

# Durable polyamide & elastane Adjustable fit 24.4-34.6 in Compatible with MZ-1, MZ-3, MZ-Switch MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts

**Brand:** myzone
**Price:** R100967
**Availability:** ✅ In Stock

## Summary

> 📈 Level up your workout game with the perfect fit that keeps pace with your ambition!

## Quick Answers

- **What is this?** MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts by myzone
- **How much does it cost?** R100967 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/776786434-myzone-mz-3-adjustable-replacement-chest-strap-medium-comfortable-secure)

## Best For

- myzone enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Crafted from premium polyamide and elastane for unmatched comfort and long-lasting durability.
- • **Inclusive Sizing:** Designed to fit a wide range of body types, empowering every athlete to track their progress.
- • **Perfect Fit, Every Time:** Easily adjust your chest strap for a secure, personalized fit that moves with you.
- • **Universal Compatibility:** Seamlessly pairs with all Myzone MZ models to keep your fitness tracking uninterrupted.
- • **Accurate Heart Rate Data:** Ensures precise monitoring so you never miss a beat in your fitness journey.

## Overview

The MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) offers a customizable fit ranging from 24.4 to 34.6 inches, compatible with MZ-1, MZ-3, and MZ-Switch devices. Made from durable polyamide and elastane, it delivers comfort and longevity for both home and gym workouts, ensuring accurate heart rate tracking for all fitness levels.

## Description

Adjustable Replacement Strap for MZ-3 Fitness Belt Standard (M) 24.4-34.6" X S (S) 21.25-27.5" X L (L) 27.6-40"

## Features

- FIND THE PERFECT FIT FOR YOU: Myzone Strap Extender offers a hassle-free solution for users who need to size up their chest straps over a larger size
- Compatibility & Warranty: Compatible with MZ-1, MZ-3, MZ-Switch. Only Myzone.org is approved by Myzone.org
- ANYONE - Whether you're a fitness enthusiast or a professional athlete, the Myzone Strap Extender will fit users of all sizes. Recognize that size should not be restricted when it comes to fitness, allowing individuals to focus on their efforts and performance
- HIGH QUALITY MATERIALS: Constructed of polyamide and elastane, this strap creates a winning combination of comfort, strength and durability
- Comprehensive:Encourages comprehensive by ensuring everyone benefit from accurate and personalized data of heart rate monitor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | MZ-3 |
| Size | ys/m |
| Team Name | mz 3 |
| Material | Extender |
| Batteries Included | No |
| Package Dimensions | 15.19 x 3.4 x 2.79 cm; 20 g |

## Product Details

- **Brand:** MYZONE
- **Material:** Extender
- **Color:** MZ-3
- **Item Weight:** 20 Grams
- **Style:** Extension

## Images

![MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts - Image 1](https://m.media-amazon.com/images/I/51b4IIHJlGL.jpg)
![MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts - Image 2](https://m.media-amazon.com/images/I/41Vd4EGZ0wL.jpg)
![MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts - Image 3](https://m.media-amazon.com/images/I/71tSG6aYH3L.jpg)
![MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts - Image 4](https://m.media-amazon.com/images/I/71x3v7dGtOL.jpg)
![MYZONE MZ-3 Adjustable Replacement Chest Strap (Medium) - Comfortable and Secure Fit for Fitness Tracking, Perfect for Home Workouts and Gym Workouts - Image 5](https://m.media-amazon.com/images/I/81c1mfyOzNL.jpg)

## Questions & Answers

**Q: Does this work with the myzone® mz-1?**
A: Yes, it works with both My Zone 1 or My Zone 3.  The belt is universal.

**Q: Will this fit an arm or wrist?**
A: The Myzone MZ-3 Replacement Strap (Small) is a chest strap only for use with the Myzone MZ-3 module and will not fit an arm or wrist.

## Frequently Bought Together

- MYZONE MZ-3 Replacement Strap (Medium)
- MYZONE MZ-3 Physical Activity Chest Strap Heart Rate Monitor - Fitness & Activity Tracker

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**Shop now:** [https://www.desertcart.co.za/products/776786434-myzone-mz-3-adjustable-replacement-chest-strap-medium-comfortable-secure](https://www.desertcart.co.za/products/776786434-myzone-mz-3-adjustable-replacement-chest-strap-medium-comfortable-secure)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-22*