---
product_id: 744523673
title: "Hydro Flask Standard Mouse Flex Cap, Black"
brand: "hydro flask"
price: "$7785.43"
currency: USD
in_stock: false
reviews_count: 5
category: "Hydro Flask"
url: https://www.desertcart.us/products/744523673-hydro-flask-standard-mouse-flex-cap-black
store_origin: US
region: United States of America
---

# Leakproof & Insulated Recyclable Material Lifetime Warranty Hydro Flask Standard Mouse Flex Cap, Black

**Brand:** hydro flask
**Price:** $7785.43
**Availability:** ❌ Out of Stock

## Summary

> 💧 Stay refreshed, stay unstoppable with Hydro Flask Flex Cap!

## Quick Answers

- **What is this?** Hydro Flask Standard Mouse Flex Cap, Black by hydro flask
- **How much does it cost?** $7785.43 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/744523673-hydro-flask-standard-mouse-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

- • **Universal Fit:** Seamlessly fits all standard mouth Hydro Flask bottles for instant upgrade.
- • **Eco-Conscious Design:** Crafted from BPA-free, recyclable polypropylene to keep you and the planet safe.
- • **Unmatched Durability:** Backed by a lifetime warranty for worry-free hydration.
- • **Effortless Portability:** Flexible, lightweight cap designed for easy carrying and on-the-go convenience.
- • **Thermal Lock Technology:** Honeycomb insulation keeps your drinks hot or cold longer—no compromises.

## Overview

The Hydro Flask Standard Mouth Flex Cap in black combines durable, BPA-free materials with innovative honeycomb insulation to maintain your beverage temperature longer. Designed for portability and comfort, this leakproof, dishwasher-safe cap fits all standard mouth Hydro Flask bottles and comes with a lifetime warranty, making it the ultimate hydration upgrade for active professionals.

## Description

Hydro Flask Standard Mouth Flex Cap is the ideal combination of strength and flexibility. Designed for ultimate portability Crafted with comfort in mind for easy carrying It is also insulated. So you can keep your favorite beverage comfortably by your side. Fits all standard mouth Hydro Flask water bottles. Hydro Flask lids feature honeycomb insulation to keep cold drinks cold and hot drinks hot. Whether you're out in the wilderness or stranded in the office, we recommend having a Hydro Flask water bottle lid. It keeps the contents temperature longer so you can get busy and do more. Insulated water bottle cap to match the thermal water bottle. This Hydro Flask product comes with a lifetime manufacturer's warranty

Review: Works great
Review: Excelente calidad

## Features

- BPA Free
- Lifetime Warranty
- 1 x Hydro Flask Standard Mouth Flex Cap
- Recyclable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XPN4SFK |
| Batteries Included | No |
| Batteries Required | No |
| Brand Name | Hydro Flask |
| Cap Type | Flex Cap |
| Capacity | 1.13 kg |
| Color | Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,173) |
| Date First Available | April 4, 2017 |
| Item Weight | 0.01 Pounds |
| Lithium Battery Packaging | Batteries only |
| Manufacturer | Hydro Flask |
| Material | Polypropylene |
| Material Care Instructions | Hand Wash Only |
| Model Number | SFX001 |
| Package Dimensions | 14 x 9 x 6 cm |
| Package Weight | 0.08 Kilograms |
| Size | 1183 ml |
| Special Features | Dishwasher Safe, Leakproof |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 1.13 kg
- **Color:** Black
- **Recommended Uses For Product:** Water
- **Special Feature:** Dishwasher Safe, Leakproof

## Images

![Hydro Flask Standard Mouse Flex Cap, Black - Image 1](https://m.media-amazon.com/images/I/31irL8cx0eL.jpg)
![Hydro Flask Standard Mouse Flex Cap, Black - Image 2](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

### ⭐⭐⭐⭐⭐ Review
*by C***L on November 27, 2025*

Works great

### ⭐⭐⭐⭐⭐ Review
*by M***O on September 27, 2025*

Excelente calidad

### ⭐⭐⭐⭐⭐ Review
*by C***Y on October 6, 2025*

I bought this as a spare. It is sturdy and leakproof. Easier to twist then the metal cap.

## Frequently Bought Together

- Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle
- Auto Flip Lid for Hydro Flask Standard Mouth Bottle, Spout lid for Iron Flask, Fits for Simple Modern and Most Brands, Replacement Lid with Button Lock, Black
- Hydro Flask Flex Boot - Accessory Silicone Water Bottle Protector - Dishwasher Safe, BPA-Free, Non-Toxic Small

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**Shop now:** [https://www.desertcart.us/products/744523673-hydro-flask-standard-mouse-flex-cap-black](https://www.desertcart.us/products/744523673-hydro-flask-standard-mouse-flex-cap-black)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*