---
product_id: 352749710
title: "21 Oz Lightweight Standard Flex Cap Slate"
brand: "hydro flask"
price: "VT32079"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/352749710-21-oz-lightweight-standard-flex-cap-slate
store_origin: VU
region: Vanuatu
---

# Keeps drinks hot 12h Keeps drinks cold 24h 25% lighter 21 Oz Lightweight Standard Flex Cap Slate

**Brand:** hydro flask
**Price:** VT32079
**Availability:** ✅ In Stock

## Summary

> Stay Hydrated, Stay Light! 💧

## Quick Answers

- **What is this?** 21 Oz Lightweight Standard Flex Cap Slate by hydro flask
- **How much does it cost?** VT32079 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/352749710-21-oz-lightweight-standard-flex-cap-slate)

## 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

- • **Leakproof Cap:** Honeycomb insulated cap with a flexible strap for on-the-go convenience.
- • **Sleek Aesthetic:** Stylish slate color that complements your active lifestyle.
- • **Lightweight Design:** Experience effortless hydration with 25% less weight.
- • **Durable Construction:** Crafted from pro-grade 18/8 stainless steel for lasting performance.
- • **Innovative Insulation:** TempShield technology ensures your drinks stay at the perfect temperature.

## Overview

The Hydro Flask 21 Oz Lightweight Standard Flex Cap in Slate is designed for the modern adventurer. Weighing in at just 23.9 g, this bottle features a 25% lighter design without compromising on durability. Its double wall vacuum insulation keeps beverages cold for up to 24 hours and hot for 12 hours, making it the perfect companion for any activity. The leakproof cap and flexible strap ensure you can take it anywhere with confidence.

## Description

21 Oz Lightweight Standard Flex Cap Slate

## Features

- 25% lighter than Hydro FLask's other 21 oz Standard Mouth bottles means this lightweight stainless steel bottle weighs less so you can do more
- 18/8 pro-grade stainless steel walls are thinner to reduce weight while maintaining durability
- Honeycomb insulated Standard Mouth cap with a flexible perforated strap and aluminum pivots cut weight in a leakproof design
- TempShield double wall vacuum insulation keeps beverages cold for up to 24 hours and hot up to 12 hours
- Leak proof

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Hydro Flask |
| Model Number | LW21LW081 |
| Color | Slate |
| Product Dimensions | 6.99 x 6.99 x 30.61 cm; 23.9 g |
| Capacity | 595 g |
| Material | Steel |
| Special Features | Lightweight |
| Item Weight | 23.9 g |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 595 g
- **Colour:** Slate
- **Recommended uses for product:** Water
- **Special features:** Lightweight

## Images

![21 Oz Lightweight Standard Flex Cap Slate - Image 1](https://m.media-amazon.com/images/I/51TkrgI3GdL.jpg)

## Available Options

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

## Questions & Answers

**Q: Will this fit in a bike bottle holder?**
A: Yes. It’s a great product!

**Q: Does the bottle sweat at all?**
A: Not one bit!! It’s awesome!

**Q: Is there a rubber boot that fits this one?**
A: Yes there is - some of the reviews mention one. I did not purchase the boot because I like the sleek lightweight feel of the bottle.

**Q: Is this wide mouth or standard mouth?  Is the finish smoothe or textured?**
A: Smooth finish and standard mouth. Still plenty big to slip in ice cubes!!

## Frequently Bought Together

- Hydro Flask 21 Oz Lightweight Standard Flex Cap Slate
- Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle
- Hydro Flask Trail Series Lightweight Water Bottle with Standard Flex Cap and Double-Wall Vacuum Insulation

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**Shop now:** [https://www.desertcart.vu/products/352749710-21-oz-lightweight-standard-flex-cap-slate](https://www.desertcart.vu/products/352749710-21-oz-lightweight-standard-flex-cap-slate)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-22*