---
product_id: 182833056
title: "GSI Outdoors, Boulder 10 Flask, Rugged and Shatter-Resistant, Outdoor Hip Flask, Sand, 10 Fl oz, Color: Graphite"
brand: "gsi outdoors"
price: "VT10897"
currency: VUV
in_stock: true
reviews_count: 10
category: "Gsi Outdoors"
url: https://www.desertcart.vu/products/182833056-gsi-outdoors-boulder-10-flask-rugged-and-shatter-resistant-outdoor
store_origin: VU
region: Vanuatu
---

# Leak-proof secure cap 10 fl oz perfect capacity Rugged & shatter-resistant build GSI Outdoors, Boulder 10 Flask, Rugged and Shatter-Resistant, Outdoor Hip Flask, Sand, 10 Fl oz, Color: Graphite

**Brand:** gsi outdoors
**Price:** VT10897
**Availability:** ✅ In Stock

## Summary

> 🥃 Elevate your outdoor sip game with rugged style and flawless function!

## Quick Answers

- **What is this?** GSI Outdoors, Boulder 10 Flask, Rugged and Shatter-Resistant, Outdoor Hip Flask, Sand, 10 Fl oz, Color: Graphite by gsi outdoors
- **How much does it cost?** VT10897 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/182833056-gsi-outdoors-boulder-10-flask-rugged-and-shatter-resistant-outdoor)

## Best For

- gsi outdoors enthusiasts

## Why This Product

- Trusted gsi outdoors brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Generous:** 10 oz capacity fits perfectly in backpacks and daily bags.
- • **Sleek Graphite Finish:** Modern, textured grip for style and slip-resistance.
- • **Spill-Proof Confidence:** Leak-proof cap means zero mess, all adventure.
- • **Double-Wall Vacuum Insulation:** Keeps drinks hot or cold for hours, no compromises.
- • **Effortless One-Hand Operation:** Flip, unscrew, and sip with ease on the move.

## Overview

The GSI Outdoors Boulder 10 Flask is a durable, shatter-resistant hip flask with a sleek graphite finish and textured grip. Its 10 fl oz capacity balances portability and volume, while the double-wall vacuum insulation keeps beverages hot or cold for extended periods. Designed for outdoor enthusiasts, it features a leak-proof cap and easy one-handed operation, making it the perfect companion for hiking, camping, or daily commutes.

## Description

desertcart.com: GSI Outdoors, Boulder 10 Flask, Rugged and Shatter-Resistant, Outdoor Hip Flask, Sand, 10 Fl oz, Color: Graphite : Sports & Outdoors

Review: Stylish and Reliable - The GSI Outdoors Boulder Flask Thermos is a fantastic companion for outdoor enthusiasts and travelers looking to enjoy their favorite beverages on the go. This flask has quickly become my go-to choice for its style, reliability, and impressive thermal performance. First and foremost, the design of the Boulder Flask is sleek and eye-catching. The durable stainless steel construction not only looks great but also ensures long-lasting durability. The textured grip adds a touch of elegance and provides a secure hold, preventing any accidental slips. When it comes to thermal performance, this flask truly shines. The double-wall vacuum insulation keeps my beverages hot or cold for extended periods. Whether I'm sipping on a steaming cup of coffee during a chilly hike or enjoying a refreshing cold drink on a hot summer day, the Boulder Flask consistently delivers on its promise. Another feature that sets this flask apart is its convenient size. With a generous 10-ounce capacity, it strikes the perfect balance between portability and capacity. It easily fits into my backpack or bag without taking up too much space, making it ideal for outdoor adventures or daily commutes. The leak-proof cap ensures worry-free transportation, preventing any spills or leaks. I appreciate the thoughtful design that allows for easy pouring and drinking, thanks to the well-designed spout and integrated cap.
Review: Perfect! - Awesome flask! Seems durable and holds enough to get pretty darn tipsy. Lid seals tight. Pulling it out, unscrewing the lid, flipping the lid back and forth, and screwing the lid back on can be done one handed.

## Features

- Wide mouth makes for easy filling, pouring and drinking.
- Convenient molded graduation marks.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07W6B1Z5V |
| Best Sellers Rank | #381,816 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #118 in Camping & Hiking Hydration Flasks |
| Brand Name | GSI Outdoors |
| Color | Graphite |
| Customer Reviews | 4.6 4.6 out of 5 stars (312) |
| Finish Types | Graphite |
| Item Dimensions D x W x H | 1.1"D x 3.7"W x 6.5"H |
| Manufacturer | GSI Outdoors |
| Material Type | Copolyester, Silicone |
| Shape | Kidney |
| Unit Count | 1.0 Count |
| Volume | 10 Fluid Ounces |

## Product Details

- **Brand:** GSI Outdoors
- **Color:** Graphite
- **Finish Type:** Graphite
- **Material:** Copolyester, Silicone
- **Product Dimensions:** 1.1"D x 3.7"W x 6.5"H

## Images

![GSI Outdoors, Boulder 10 Flask, Rugged and Shatter-Resistant, Outdoor Hip Flask, Sand, 10 Fl oz, Color: Graphite - Image 1](https://m.media-amazon.com/images/I/61rqHnxqh4L.jpg)

## Questions & Answers

**Q: Is this flask made in China?**
A: It just says imported. I dont see where it says from.

**Q: Is this made of plastic? What kind of plastic? What is the recycle/plastic number on the bottom?**
A: I'm not sure what kind of plastic but its really durable , i haven't had any issue

**Q: Does this have any metal? Will this set off a metal detector?**
A: No metal,

**Q: Is it boa free?**
A: Yes, it is.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Stylish and Reliable
*by J***9 on June 13, 2023*

The GSI Outdoors Boulder Flask Thermos is a fantastic companion for outdoor enthusiasts and travelers looking to enjoy their favorite beverages on the go. This flask has quickly become my go-to choice for its style, reliability, and impressive thermal performance. First and foremost, the design of the Boulder Flask is sleek and eye-catching. The durable stainless steel construction not only looks great but also ensures long-lasting durability. The textured grip adds a touch of elegance and provides a secure hold, preventing any accidental slips. When it comes to thermal performance, this flask truly shines. The double-wall vacuum insulation keeps my beverages hot or cold for extended periods. Whether I'm sipping on a steaming cup of coffee during a chilly hike or enjoying a refreshing cold drink on a hot summer day, the Boulder Flask consistently delivers on its promise. Another feature that sets this flask apart is its convenient size. With a generous 10-ounce capacity, it strikes the perfect balance between portability and capacity. It easily fits into my backpack or bag without taking up too much space, making it ideal for outdoor adventures or daily commutes. The leak-proof cap ensures worry-free transportation, preventing any spills or leaks. I appreciate the thoughtful design that allows for easy pouring and drinking, thanks to the well-designed spout and integrated cap.

### ⭐⭐⭐⭐⭐ Perfect!
*by A***B on April 22, 2025*

Awesome flask! Seems durable and holds enough to get pretty darn tipsy. Lid seals tight. Pulling it out, unscrewing the lid, flipping the lid back and forth, and screwing the lid back on can be done one handed.

### ⭐⭐⭐⭐⭐ Quality convenient drink on the go.
*by A***R on July 20, 2025*

Great quality and good size

## Frequently Bought Together

- Gsi Outdoors Boulder Flask Thermos,Unisex Adult, Unisex_Adult
- SE Stainless Steel Funnel for Flasks, Small Metal Funnel for Filling Drinking Liquor Flask, Transferring Oil, Juice, Milk, Attached Screw-On Cap

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**Shop now:** [https://www.desertcart.vu/products/182833056-gsi-outdoors-boulder-10-flask-rugged-and-shatter-resistant-outdoor](https://www.desertcart.vu/products/182833056-gsi-outdoors-boulder-10-flask-rugged-and-shatter-resistant-outdoor)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-05*