---
product_id: 667394343
title: "Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow"
brand: "hydro flask"
price: "€ 153.41"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/667394343-hydro-flask-21-oz-standard-mouth-flex-cap-moonshadow
store_origin: IE
region: Ireland
---

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

**Brand:** hydro flask
**Price:** € 153.41
**Availability:** ✅ In Stock

## Summary

> 💧 Stay cool, stay hot, stay ahead with Hydro Flask Moonshadow.

## Quick Answers

- **What is this?** Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow by hydro flask
- **How much does it cost?** € 153.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/667394343-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

- • **Pure Taste Guarantee:** No flavor transfer ensures every sip tastes fresh, just like the first.
- • **On-the-Go Convenience:** Cupholder compatible and lightweight 0.34 kg design fits seamlessly into your daily commute or outdoor adventures.
- • **Durability Meets Style:** Crafted from premium stainless steel with a vibrant Moonshadow Purple finish that resists dents and chipping.
- • **Flex Cap for Effortless Carry:** Ergonomic flex cap loops easily for secure grip or attachment, perfect for busy professionals on the move.
- • **All-day Hydration, Zero Compromise:** Keeps beverages icy cold for 24 hours or steaming hot for 12 hours with TempShield️ double-wall vacuum insulation.

## Overview

The Hydro Flask 21 Oz Standard Mouth Flex Cap in Moonshadow Purple is a premium stainless steel water bottle designed for professionals who demand durability and performance. Featuring TempShield️ double-wall vacuum insulation, it keeps drinks cold for 24 hours and hot for 12 hours. Its leakproof flex cap and cupholder-compatible design make it the perfect hydration companion for work, travel, and outdoor activities.

## Description

Hydro Flask 21 Oz Standard Mouth Flex Cap Moonshadow : desertcart.ae: Sporting Goods

## 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 |
| Additional Features | Vacuum Insulated |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | #36,470 in Sporting Goods ( See Top 100 in Sporting Goods ) #1,577 in Sports Water Bottles |
| Brand | Hydro Flask |
| Brand Name | Hydro Flask |
| Cap Type | Flex Cap |
| Capacity | 1 Fluid ounces |
| Color | Moonshadow Purple |
| Colour | Moonshadow Purple |
| Customer Reviews | 4.8 out of 5 stars 246 Reviews |
| Global Trade Identification Number | 00840394203737 |
| Included Components | Bottle |
| Is Oven Safe | No |
| Is the item dishwasher safe? | No |
| Is the item microwaveable? | No |
| Item Dimensions W x H | 15W x 25H centimeters |
| Item Type Name | Water Bottle |
| Item Weight | 0.34 Kilograms |
| Manufacturer | Hydro Flask |
| Material Type | Stainless Steel |
| Model Name | Standard Mouth Flex Cap Bottle |
| Number of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Water |
| Recommended uses for product | Water |
| Special features | Vacuum Insulated |
| Theme | Sport |
| UPC | 840394203737 |
| Unit Count | 1 Count |
| With Lid | Yes |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 1 Fluid ounces
- **Colour:** Moonshadow Purple
- **Recommended uses for product:** Water
- **Special features:** Vacuum Insulated

## Images

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

## Available Options

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

## 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.ie/products/667394343-hydro-flask-21-oz-standard-mouth-flex-cap-moonshadow](https://www.desertcart.ie/products/667394343-hydro-flask-21-oz-standard-mouth-flex-cap-moonshadow)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-08-28*