---
product_id: 716975326
title: "Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow"
brand: "hydro flask"
price: "E£ 20398"
currency: EGP
in_stock: true
reviews_count: 5
category: "Hydro Flask"
url: https://www.desertcart.com.eg/products/716975326-hydro-flask-21-oz-standard-mouth-flex-cap-moonshadow
store_origin: EG
region: Egypt
---

# Leakproof seal 12h hot retention 24h cold retention Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow

**Brand:** hydro flask
**Price:** E£ 20398
**Availability:** ✅ In Stock

## Summary

> 💧Hydrate like a boss—cold, hot, and always fresh.

## Quick Answers

- **What is this?** Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow by hydro flask
- **How much does it cost?** E£ 20398 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/716975326-hydro-flask-21-oz-standard-mouth-flex-cap-moonshadow)

## Best For

- hydro flask enthusiasts

## Why This Product

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

## Key Features

- • **No Spills, No Stress:** Leakproof Flex Cap ensures your bag stays dry and your commute hassle-free.
- • **Pure Taste, Every Sip:** Premium stainless steel construction prevents flavor transfer—enjoy your drink’s true taste.
- • **Sleek Moonshadow Style:** Minimalist solid color that complements your professional vibe and stands out in any meeting or gym.
- • **Designed for On-the-Go Pros:** Cupholder compatible and lightweight at just 340g, fits seamlessly into your daily hustle.
- • **Stay Chill or Sizzle All Day:** Keeps beverages icy cold for 24 hours or piping hot for 12 hours with TempShield️ double-wall vacuum insulation.

## Overview

The Hydro Flask 21 Oz Standard Mouth Flex Cap in Moonshadow is a durable, stainless steel insulated water bottle designed for professionals on the move. Featuring TempShield️ double-wall vacuum insulation, it keeps drinks cold for 24 hours and hot for 12 hours. Its leakproof Flex Cap and cupholder compatibility make it perfect for daily commutes, workouts, or office use, while the sleek Moonshadow finish adds a touch of understated style.

## Description

Stainless steel, cupholder compatible, fits right in your pack—the reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun.

Review: völlig super, halt auch bei über 30 Grad Außentemperatur mehr als den ganzen Tag die Flüssigkeit kalt und heiß bzw. warm bleiben Getränke tatsächlich tagelang... das rechtfertigt den Preis dann doch irgendwie
Review: It holds water and is a pretty color. Semi-flexible handle makes for easy carrying.

## Features

- 24 hours cold, 12 hours hot
- TempShield️ double-wall vacuum insulation
- Leakproof when closed
- Pure taste, no flavor transfer
- Durable stainless steel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D3VKX2JP |
| Age Range (Description) | Adult |
| Best Sellers Rank | #1,472,192 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #6,585 in Insulated Bottles |
| Brand | Hydro Flask |
| Cap Type | Flex Cap |
| Capacity | 1 Fluid Ounces |
| Colour | Moonshadow |
| Country of Origin | USA |
| Department | Unisex-Adult |
| Generic Name | Water Bottle |
| Global Trade Identification Number | 00840394203737 |
| Included Components | Bottle |
| Is Dishwasher Safe | No |
| Item Weight | 340 g |
| Item model number | S21SX504 |
| Manufacturer | Hydro Flask |
| Material | Stainless Steel |
| Model Name | Standard Mouth Flex Cap Bottle |
| Net Quantity | 1.0 Count |
| Number of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Product Dimensions | 14.6W x 22.9H Centimeters |
| Recommended Uses For Product | Water |
| Special Feature | Vacuum Insulated |
| UPC | 840394203737 |
| With Lid | Yes |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 1 Fluid Ounces
- **Colour:** Moonshadow
- **Recommended Uses For Product:** Water
- **Special Feature:** Vacuum Insulated

## Images

![Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow - Image 1](https://m.media-amazon.com/images/I/21n33xF9IEL.jpg)
![Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow - Image 2](https://m.media-amazon.com/images/I/61eFEyzPSHL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***. on 3 September 2025*

völlig super, halt auch bei über 30 Grad Außentemperatur mehr als den ganzen Tag die Flüssigkeit kalt und heiß bzw. warm bleiben Getränke tatsächlich tagelang... das rechtfertigt den Preis dann doch irgendwie

### ⭐⭐⭐⭐⭐ Review
*by D***N on 1 July 2025*

It holds water and is a pretty color. Semi-flexible handle makes for easy carrying.

### ⭐⭐⭐⭐⭐ Review
*by Y***R on 10 January 2026*

Like all My other hydroflask products- works well, as detailed, and certainly recommended . Note this is not a large capacity bottle- I use it in day pack but have a larger version in car .

## Frequently Bought Together

- Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Straw Cap - BPA-Free - Standard Mouth - Moonshadow, Fossil
- Hydro Flask - Flex Straw Cap for Standard Mouth - Leakproof - Honeycomb Insulated Cap with Flex Strap for Easy Carrying - BPA-Free and Toxin-Free - Dishwasher Safe - Black

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**Shop now:** [https://www.desertcart.com.eg/products/716975326-hydro-flask-21-oz-standard-mouth-flex-cap-moonshadow](https://www.desertcart.com.eg/products/716975326-hydro-flask-21-oz-standard-mouth-flex-cap-moonshadow)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-02-10*