---
product_id: 540282594
title: "HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Indigo"
brand: "hydro flask"
price: "€ 87.79"
currency: EUR
in_stock: true
reviews_count: 5
category: "Hydro Flask"
url: https://www.desertcart.es/products/540282594-hydro-flask-water-bottle-621-ml-21-oz-with-flex
store_origin: ES
region: Spain
---

# Leakproof flex straw cap Keeps drinks hot up to 12h Keeps drinks cold up to 24h HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Indigo

**Brand:** hydro flask
**Price:** € 87.79
**Availability:** ✅ In Stock

## Summary

> 💧 Sip smart, stay cool (or hot) — hydration that keeps up with your hustle!

## Quick Answers

- **What is this?** HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Indigo by hydro flask
- **How much does it cost?** € 87.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/540282594-hydro-flask-water-bottle-621-ml-21-oz-with-flex)

## 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

- • **Safe & Sustainable:** BPA-free, toxin-free, and dishwasher safe for worry-free daily use
- • **One-Handed Hydration:** Sip on the go with a leakproof flex straw cap designed for active lifestyles
- • **TempShield Technology:** Double-wall vacuum insulation locks in perfect temperature all day long
- • **Sleek & Portable Design:** Ergonomic cylindrical shape fits comfortably in backpacks and hands
- • **Durable Pro-Grade Stainless Steel:** 18/8 stainless steel ensures no flavor transfer and long-lasting use

## Overview

The Hydro Flask 621 ml Indigo water bottle features TempShield double-wall vacuum insulation to keep beverages cold for 24 hours or hot for 12 hours. Crafted from durable 18/8 pro-grade stainless steel with a leakproof flex straw cap, it offers one-handed hydration on the move. BPA-free and dishwasher safe, its sleek design fits easily in backpacks, making it the perfect companion for professionals balancing active, on-the-go lifestyles.

## Description

We make thoughtful, beautifully designed gear that moves people. Towards nature. Towards happy. And towards each other. Because life is an adventure and we’re glad to be with you for every step, sip and smile along the way. Surrounded by mountains, rivers and lakes, HYDRO FLASK HQ is literally nestled into a Pacific Northwest wonderland– Bend, Oregon. Where we are from, is part of who we are and it’s in our DNA. It has shaped our products, people and what we’re about as a company.Not only is the outdoors our everything, but we love to share all kinds of life experiences with others, whether it's a day at the office or at the university or a yoga class. That is our purpose and our heartbeat. Whatever you need to help you be outside living your best life, we're in. The inspiration behind every product we design is Mother Nature. There’s never anything extra – every choice is made for a reason. Keep it strikingly simple. From product innovation to colour leadership - simplicity drives all.

Review: Excellent, keeps our drinks cold. It feels sturdy and looks great.
Review: Best water bottle ever stays cold and does not leak. Would definitely purchase again

## Features

- One-handed hydration: the double-wall vacuum insulated technology keeps your drink at the perfect temperature no matter where your day takes you. Enjoy a leakproof flex straw cap to sip your drink at optimal temperature, while being on the move. This water bottle is just the right size for staying hydrated before, during and after activity
- Benefit from a perfect drinking temperature for hours: our TempShield vacuum insulated technology, combined with our Honeycomb insulated cap, guards the temperature of your drink and eliminates condensation. It keeps beverages cold for up to 24 hours and hot for up to 12 hours. So relax and enjoy your drink wherever you go
- Practical shape and sustainable construction built to last: this water bottle is made out of 18/8 pro-grade stainless steel to ensure durability, pure taste and no flavour transfer. Its colour last powder coat and cylindrical shape make it nice to hold, easy to slide in and out of a backpack and comfortable to carry
- Leakproof, BPA-Free and dishwasher safe: transport your water bottle without any worry, thanks to our leakproof flex straw cap (when closed) and practical carry strap. For your safety and comfort, this bottle is BPA-Free, Toxin-Free and dishwasher safe. Our 710 ml standard mouth bottle will keep you well-hydrated throughout the day
- 100% Customer and product satisfaction warranty: We stand behind our products and have great faith in our products. HYDRO FLASK is committed to high standards of durable and robust materials. HYDRO FLASK guarantees this product with a limited lifetime warranty against manufacturer defects

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BXFFLK5Y |
| Best Sellers Rank | #126,293 in Kitchen ( See Top 100 in Kitchen ) #210 in Drinking Flasks |
| Brand | Hydro Flask |
| Capacity | 595 g |
| Color | Indigo |
| Customer Reviews | 4.7 4.7 out of 5 stars (238) |
| Date First Available | 6 March 2023 |
| Item Weight | 420 g |
| Material | Stainless Steel |
| Model Number | S21FS464 |
| Product Dimensions | 7.24 x 7.24 x 28.58 cm; 420 g |
| Special Features | Double-walled leak-proof insulated straw leak-proof |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 595 g
- **Colour:** Indigo
- **Recommended uses for product:** Water
- **Special features:** Double-walled leak-proof insulated straw leak-proof

## Images

![HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Indigo - Image 1](https://m.media-amazon.com/images/I/41bTqnPAabL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***O on 30 November 2025*

Excellent, keeps our drinks cold. It feels sturdy and looks great.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 22 September 2025*

Best water bottle ever stays cold and does not leak. Would definitely purchase again

### ⭐⭐⭐⭐⭐ Review
*by P***L on 22 March 2024*

La gourde est de de très bonne qualité et garde bien la température (froid et chaud). Ex: je l’avais rempli le matin avant d’aller à la plage (+ de 30 degrés), elle est restée en plein soleil pendant une bonne partie de la journée et le soir l’eau était toujours fraîche ! 👍

## Frequently Bought Together

- Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - Standard Mouth - Indigo
- Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - Standard Mouth - Agave

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-02*