---
product_id: 362049182
title: "Boulder Flask, Shatter-Resistant, Leakproof Hip Flask with Clear Body & Silicone Grip, BPA-Free Bottle for Hiking, Camping & Travel"
brand: "gsi outdoors"
price: "€ 36.97"
currency: EUR
in_stock: true
reviews_count: 13
category: "Gsi Outdoors"
url: https://www.desertcart.pt/products/362049182-boulder-flask-shatter-resistant-leakproof-hip-flask-with-clear-body
store_origin: PT
region: Portugal
---

# Leakproof hinged top with silicone grip Molded graduation marks for quick measurement Shatter-resistant thermoplastic resin Boulder Flask, Shatter-Resistant, Leakproof Hip Flask with Clear Body & Silicone Grip, BPA-Free Bottle for Hiking, Camping & Travel

**Brand:** gsi outdoors
**Price:** € 36.97
**Availability:** ✅ In Stock

## Summary

> 🥾 Stay hydrated, stay unstoppable — the flask that keeps pace with your adventure.

## Quick Answers

- **What is this?** Boulder Flask, Shatter-Resistant, Leakproof Hip Flask with Clear Body & Silicone Grip, BPA-Free Bottle for Hiking, Camping & Travel by gsi outdoors
- **How much does it cost?** € 36.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/362049182-boulder-flask-shatter-resistant-leakproof-hip-flask-with-clear-body)

## 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

- • **Safe & Pure Sips:** BPA-free design ensures your drink tastes fresh, free from any plastic aftertaste.
- • **Effortless Access:** Wide mouth opening and hinged silicone-capped top make filling and sipping a breeze without losing the cap.
- • **Featherlight Carry:** Weighs only 4 ounces empty—pack light, stay nimble, and never compromise on hydration.
- • **Precision Hydration:** Clear body with molded graduation marks lets you track your intake effortlessly on the go.
- • **Adventure-Proof Durability:** Built tough with shatter-resistant thermoplastic resin to survive your wildest outdoor exploits.

## Overview

The GSI Outdoors Boulder Flask is a 6-ounce, BPA-free, shatter-resistant hip flask designed for hiking, camping, and travel. Featuring a clear thermoplastic resin body with molded measurement marks, a leakproof hinged silicone cap, and a lightweight design, it offers durable, safe, and convenient hydration for the modern outdoor enthusiast.

## Description

desertcart.com : GSI Outdoors, Boulder Flask, Rugged and Shatter-Resistant, Outdoor Hip Flask, Sand, 6 Fluid Ounces : Sports & Outdoors

Review: High-quality, high-capacity, easy to pack - High-capacity, but very packable due to efficient shape. Opening/closing is easy, cap can't be lost, good seal. Overall fit and finish indicate high quality materials.
Review: Excellent quality - The flask is good quality and translucent so you can see what you have. There are useable markings to quarter the quantity. It seals well in hot and cold weather

## Features

- NO METAL: Tough and shatter-resistant, the Boulder Flask can stand up to nearly any outdoor adventure; Thermoplastic resin body keeps your drink of choice intact
- Wide mouth opening makes for easy filling, pouring and drinking; Molded graduation marks help you quickly measure or see what’s left while you’re on the trail.
- See-through design for a fun and novel drinking experience; Hinged top with grippy silicone bumper makes for easier opening, helps prevent leaks and ensures you won’t lose the cap.
- Weighing only 4 ounces empty, the Boulder Flask won’t weigh you down even after you fill it.
- This BPA-free flask is durable, safe to drink from, and doesn’t have any foul or “off” aftertaste.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07YVKXMH3 |
| Best Sellers Rank | #18,379 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #19 in Camping & Hiking Hydration Flasks |
| Brand | GSI Outdoors |
| Brand Name | GSI Outdoors |
| Color | Sand |
| Customer Reviews | 4.5 out of 5 stars 554 Reviews |
| Finish Type | Unfinished |
| Finish Types | Unfinished |
| Global Trade Identification Number | 00090497793431 |
| Included Components | GSI Outdoors 79343 Boulder Flask 6 Oz Sand |
| Item Type Name | GSI Outdoors 79343 Boulder Flask 6 Oz Sand |
| Item Weight | 0.12 kg |
| Manufacturer | GSI Outdoors |
| Manufacturer Part Number | 79343 |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | 79343 |
| Model Number | 79343 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Shape | Rectangular |
| UPC | 090497793431 |
| Unit Count | 1 Count |
| Volume | 6 fluid ounces |

## Product Details

- **Brand:** GSI Outdoors
- **Color:** Sand
- **Finish Type:** Unfinished
- **Material:** Plastic
- **Shape:** Rectangular

## Images

![Boulder Flask, Shatter-Resistant, Leakproof Hip Flask with Clear Body & Silicone Grip, BPA-Free Bottle for Hiking, Camping & Travel - Image 1](https://m.media-amazon.com/images/I/61kjzYUH5YL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ High-quality, high-capacity, easy to pack
*by M***S on July 24, 2026*

High-capacity, but very packable due to efficient shape. Opening/closing is easy, cap can't be lost, good seal. Overall fit and finish indicate high quality materials.

### ⭐⭐⭐⭐⭐ Excellent quality
*by R***E on August 5, 2026*

The flask is good quality and translucent so you can see what you have. There are useable markings to quarter the quantity. It seals well in hot and cold weather

### ⭐⭐⭐⭐⭐ Small and compact flask
*by S***R on August 11, 2026*

An easy way to carry your alcoholic beverages. Clearly marked by shots. Fits in any purse or bag. I would purchase again.

## 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
- Stanley Adventure Pre-Party Flask | Leakproof Hip Flask | Hinge Connected Never Lose Cap | Insulated Stainless Steel Liquor Container | BPA-Free

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**Shop now:** [https://www.desertcart.pt/products/362049182-boulder-flask-shatter-resistant-leakproof-hip-flask-with-clear-body](https://www.desertcart.pt/products/362049182-boulder-flask-shatter-resistant-leakproof-hip-flask-with-clear-body)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-08-24*