---
product_id: 724961202
title: "WHOOP HydroKnit Bicep Band Multi-Purpose Comfortable Adjustable 4.0 Wearable Health Fitness Activity Tracker"
brand: "whoop"
price: "HK$15"
currency: HKD
in_stock: false
reviews_count: 5
url: https://www.desertcart.hk/products/724961202-whoop-hydroknit-bicep-band-multi-purpose-comfortable-adjustable-4-0
store_origin: HK
region: Hong Kong
---

# 30% less moisture retention Upper arm data capture for WHOOP 4.0 Dries 2x faster than SuperKnit WHOOP HydroKnit Bicep Band Multi-Purpose Comfortable Adjustable 4.0 Wearable Health Fitness Activity Tracker

**Brand:** whoop
**Price:** HK$15
**Availability:** ❌ Out of Stock

## Summary

> 💪 Elevate your WHOOP game—comfort, speed, and precision on your arm, not your wrist.

## Quick Answers

- **What is this?** WHOOP HydroKnit Bicep Band Multi-Purpose Comfortable Adjustable 4.0 Wearable Health Fitness Activity Tracker by whoop
- **How much does it cost?** HK$15 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/724961202-whoop-hydroknit-bicep-band-multi-purpose-comfortable-adjustable-4-0)

## 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

- • **Sweat & Water Ready:** Designed for the most demanding environments, from pool laps to sweaty gym sessions, without compromising performance.
- • **Effortless Adjustability:** Includes hook, clasp, and fast-link sliders for quick, secure, and customizable fit—comfort meets convenience.
- • **Sleek Night Swim Colorway:** Stand out with a stylish, modern look that complements your active lifestyle and signals elite fitness dedication.
- • **HydroKnit Performance Fabric:** Experience next-level moisture control with fabric that dries twice as fast, keeping you fresh during intense workouts or water sports.
- • **Optimized for Upper Arm Wear:** Free your wrist and capture more accurate health data by wearing your WHOOP 4.0 tracker on your bicep.

## Overview

The WHOOP HydroKnit Bicep Band is a cutting-edge accessory designed exclusively for WHOOP 4.0 users, featuring advanced HydroKnit fabric that dries twice as fast and retains 30% less moisture than previous models. Engineered for water sports and high-intensity activities, this adjustable band frees your wrist while delivering precise upper arm health tracking in a sleek, durable design.

## Description

Quick-drying HydroKnit material is now available in the bicep band. HydroKnit dries twice as fast as SuperKnit and holds 30% less moisture. A must have for water sports, sweaty activities and shower Bicep band releases your wrist and allows you to capture data in your upper arm. Includes band, hook, clasp, and fast-link sliders to make changing bands easier than ever. Compatible with WHOOP 4.0 only.

Review: Todo
Review: Feels just like the one for your wrist but in longer strap. A bit overpriced for just a strap though.

## Features

- ADVANCED FABRIC - The most advanced WHOOP fabric, HydroKnit is located at the intersection of performance and science

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D6HW2BSD |
| ASIN  | B0D6HW2BSD |
| Amazon Bestseller | #358,131 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,813 in Resistance Bands |
| Amazon.co.jp Return Policy | Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here . |
| Battery Description | Lithium-Ion Polymer |
| Brand Name | WHOOP |
| Color | night swim |
| Compatible Devices | WHOOP 4.0 Fitness & Activity Tracker |
| Customer Reviews | 4.5 4.5 out of 5 stars (29) |
| Date First Available  | July 15, 2024 |
| Included Components | WHOOP Hydro Knit Bicep Band (1) |
| Item Type Name | WHOOP Hydro Knit Bicep Band |
| Item Weight | 0.07 Kilograms |
| Manufacturer | WHOOP |
| Manufacturer  | WHOOP |
| Material Type | Hydro-knit |
| Package Dimensions  | 21.11 x 7.01 x 2.39 cm; 68 g |
| Sensor Type | Wearable |
| Team Name | WHOOP。 |
| UPC | 810114360453 |

## Product Details

- **Brand:** WHOOP
- **Material:** HydroKnit
- **Color:** Night Swim
- **Compatible Devices:** WHOOP 4.0 Fitness and Activity Tracker
- **Item Weight:** 0.07 Kilograms
- **Sensor Type:** Wearable
- **Battery Description:** Lithium-Ion Polymer
- **UPC:** 810114360453
- **Manufacturer:** WHOOP

## Images

![WHOOP HydroKnit Bicep Band Multi-Purpose Comfortable Adjustable 4.0 Wearable Health Fitness Activity Tracker - Image 1](https://m.media-amazon.com/images/I/61ex7uS7DaL.jpg)
![WHOOP HydroKnit Bicep Band Multi-Purpose Comfortable Adjustable 4.0 Wearable Health Fitness Activity Tracker - Image 2](https://m.media-amazon.com/images/I/515V03XLjRL.jpg)
![WHOOP HydroKnit Bicep Band Multi-Purpose Comfortable Adjustable 4.0 Wearable Health Fitness Activity Tracker - Image 3](https://m.media-amazon.com/images/I/51ixJT4AASL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***S on January 24, 2025*

Todo

### ⭐⭐⭐ Review
*by K***S on September 5, 2024*

Feels just like the one for your wrist but in longer strap. A bit overpriced for just a strap though.

### ⭐⭐⭐⭐⭐ Review
*by C***Z on September 24, 2024*

PERFECTO LO QUE PEDIA

## Frequently Bought Together

- WHOOP HydroKnit Bicep Band, Versatile, Comfortable, and Adjustable, 4.0 Compatible, Wearable Health, Fitness & Activity Tracker
- WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker, Stone

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**Shop now:** [https://www.desertcart.hk/products/724961202-whoop-hydroknit-bicep-band-multi-purpose-comfortable-adjustable-4-0](https://www.desertcart.hk/products/724961202-whoop-hydroknit-bicep-band-multi-purpose-comfortable-adjustable-4-0)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-05*