---
product_id: 368861996
title: "Standard Mouth Flex Cap Black"
brand: "hydro flask"
price: "$71"
currency: NZD
in_stock: true
reviews_count: 5
category: "Hydro Flask"
url: https://www.desertcart.nz/products/368861996-standard-mouth-flex-cap-black
store_origin: NZ
region: New Zealand
---

# Leakproof flex cap Recyclable materials Lifetime warranty Standard Mouth Flex Cap Black

**Brand:** hydro flask
**Price:** $71
**Availability:** ✅ In Stock

## Summary

> 💧 Stay refreshed, stay unstoppable — hydration that keeps up with your hustle!

## Quick Answers

- **What is this?** Standard Mouth Flex Cap Black by hydro flask
- **How much does it cost?** $71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/368861996-standard-mouth-flex-cap-black)

## 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

- • **Eco-Conscious Design:** Crafted from BPA-free, recyclable materials to protect you and the planet.
- • **Unmatched Durability:** Backed by a lifetime warranty for worry-free hydration.
- • **Effortless Portability:** Standard mouth flex cap designed for easy carry and leakproof confidence.
- • **Seamless Compatibility:** Fits all Standard Mouth Hydro Flask bottles for versatile hydration on demand.
- • **Temperature Lock Technology:** Honeycomb insulation keeps drinks hot or cold longer, wherever you go.

## Overview

The Hydro Flask Standard Mouth Flex Cap in Black is a BPA-free, leakproof lid designed for ultimate portability and temperature retention. Featuring Honeycomb insulation, it keeps beverages hot or cold longer and fits all Standard Mouth Hydro Flask bottles. Made from recyclable materials and backed by a lifetime warranty, this flex cap is the perfect upgrade for professionals who demand durability and eco-conscious performance.

## Description

The Hydro Flask Standard Mouth Flex Cap is the ideal combination of strength and flexibility. Designed for ultimate portability, we crafted every detail with easy-carry comfort in mind and insulated it too, so you can go further, for longer, keeping your favorite beverage comfortably by your side. Compatible with all Standard Mouth Hydro Flask Water Bottles, the Hydro Flask lid features Honeycomb insulation to help keep cold drinks cold and hot drinks hot. Whether you’re out in nature or stuck in the office, it’s always a good idea to have an extra water bottle lid for your Hydro Flask. Maintain the temperature of your contents longer, so you can stay busy and get more done. An insulated water bottle cap to match your insulated water bottle. This Hydro Flask product is backed by a manufacturer's lifetime warranty.

Review: Fits perfect
Review: Ok - Excelente calidad

## Features

- Bpa-free
- Lifetime warranty
- One hydro flask standard mouth flex cap
- Recyclable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XPN4SFK |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Base Diameter | 2.32 Inches |
| Best Sellers Rank | #1,792,347 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #7,614 in Insulated Bottles |
| Brand | Hydro Flask |
| Cap Type | Flex Cap |
| Capacity | 1.13 kg |
| Colour | Black |
| Customer Reviews | 4.8 out of 5 stars 1,178 Reviews |
| Enclosure Material | Stainless Steel |
| Global Trade Identification Number | 00810497026885 |
| Included Components | Lid |
| Is Oven Safe | No |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | No |
| Item Dimensions W x H | 5.9W x 8.5H Centimeters |
| Item Height | 3.35 Inches |
| Item Weight | 0.01 Pounds |
| Manufacturer | Hydro Flask |
| Model Name | STANDARD FLEX CAP |
| Number of Items | 1 |
| OutputCapacity | 1.13 kg |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Product Features | Leakproof |
| Recommended Uses For Product | Coffee, Tea, Water |
| Special Feature | Leakproof |
| Theme | Fruit |
| UPC | 810497026885 |
| Unit Count | 1.0 Count |
| With Lid | Yes |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 1.13 kg
- **Colour:** Black
- **Recommended Uses For Product:** Coffee, Tea, Water
- **Special Feature:** Leakproof

## Images

![Standard Mouth Flex Cap Black - Image 1](https://m.media-amazon.com/images/I/4180q5VrOtL.jpg)

## Questions & Answers

**Q: Why so expensive? i can get it cheaper from hydro flask, rei, dick sporting goods, etc.**
A: Sure you can , If dick sporting goods has the same brand and style

**Q: Is this product authentic? Made by Hydroflask?**
A: Hello Robert - Wendy from Tall Ridge here - This Hydro Flask Standard Mouth Insulated Sport Cap purchased from us is authentic. We are an authorized Hydro Flask dealer. Please feel free to check us out. We want you to feel comfortable with your purchase. All Hydro Flask products purchased from us are authentic Hydro Flask products.

**Q: Does this work for the 64 oz growler?**
A: Hello James - Wendy from Tall Ridge here - The Hydro Flask 64 ounce Growler is a Wide Mouth. The Hydro Flask Insulated Sport Cap is for the Standard Mouth bottles only.

**Q: Does it fit a 21 oz?**
A: If the 21 oz bottle you have has a standard opening, not a wide opening, it should fit.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits perfect
*by C***L on 27 November 2025*



### ⭐⭐⭐⭐⭐ Ok
*by M***O on 27 September 2025*

Excelente calidad

### ⭐⭐⭐⭐⭐ Easy
*by C***Y on 6 October 2025*



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**Shop now:** [https://www.desertcart.nz/products/368861996-standard-mouth-flex-cap-black](https://www.desertcart.nz/products/368861996-standard-mouth-flex-cap-black)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-21*