---
product_id: 533863202
title: "Ultralight Collapsible Stuff Pack - Lightweight, Packable Travel Backpack — Extra Bag For Travel and Every Day — 18 L Capacity Daypack to Expand Luggage, Black"
brand: "osprey"
price: "NT$3338"
currency: TWD
in_stock: true
reviews_count: 13
category: "Osprey"
url: https://www.desertcart.tw/products/533863202-ultralight-collapsible-stuff-pack-lightweight-packable-travel-backpack-extra-bag
store_origin: TW
region: Taiwan
---

# 18L ultralight capacity only 0.33 lbs featherweight 100% recycled bluesign nylon Ultralight Collapsible Stuff Pack - Lightweight, Packable Travel Backpack — Extra Bag For Travel and Every Day — 18 L Capacity Daypack to Expand Luggage, Black

**Brand:** osprey
**Price:** NT$3338
**Availability:** ✅ In Stock

## Summary

> 🎒 Travel Light, Live Large — The Ultralight Pack That Expands Your World

## Quick Answers

- **What is this?** Ultralight Collapsible Stuff Pack - Lightweight, Packable Travel Backpack — Extra Bag For Travel and Every Day — 18 L Capacity Daypack to Expand Luggage, Black by osprey
- **How much does it cost?** NT$3338 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/533863202-ultralight-collapsible-stuff-pack-lightweight-packable-travel-backpack-extra-bag)

## Best For

- osprey enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Chic Travel:** Crafted from GRS-certified 100% recycled bluesign-approved nylon—travel light, tread lighter.
- • **Smart Organization:** Dual stretch side pockets, internal key clip, and easy-pull zippers keep essentials at your fingertips.
- • **Featherweight Freedom:** At just 0.33 lbs, this pack won’t weigh you down on city strolls or mountain hikes.
- • **Pack More, Carry Less:** Expand your luggage instantly with an 18L daypack that fits inside itself for zero bulk.
- • **Comfort Meets Convenience:** Breathable padded mesh straps with adjustable sternum strap and emergency whistle for peace of mind.

## Overview

The Osprey Ultralight Collapsible Stuff Pack is an 18-liter, ultralight daypack designed for travelers and adventurers who demand versatility and sustainability. Made from 100% recycled bluesign-approved nylon, it weighs just 0.33 lbs and packs down into its own pocket for effortless storage. Featuring breathable padded straps, smart organizational pockets, and an adjustable sternum strap with an emergency whistle, it’s the perfect companion for expanding your luggage capacity on the go while minimizing environmental impact.

## Description

Light in weight, heavy with features. Expand your luggage for day trips at your destination, or have an extra bag for souvenirs on the return journey, with this simple, ultralight and packable day pack that provides capacity on demand. The Osprey Ultralight Stuff Pack bag is part of the coordinated Ultralight System for optimized packing. Customize your experience by adding on smart packing and organization accessories that meet your exact travel, daily, gym, overnight, outdoor or adventure needs. The perfect bag for bringing home souvenirs, hiking through the hills, or exploring new cities and trails. The 18 liter lightweight backpack self-stores within it's own pocket to save space and easily fits in larger bags and luggage or within camping essentials. Osprey is committed to sustainability and we cherish our planet and the opportunities it provides us. We strive to be not only innovators of high-quality products, but responsible citizens who aim to tread lightly as we cherish the world we live, work and play in.

Review: Great add on for travel! - I travel frequently for both work and personal trips, and the Osprey Ultralight Collapsible Stuff Pack has quickly become one of those “why didn’t I buy this sooner?” travel essentials. It folds down incredibly small in my luggage, yet once unpacked it’s surprisingly comfortable and capable for day trips, airport carry-ons, excursions, and even grocery runs while traveling. What impressed me most is how lightweight it is without feeling flimsy. The material feels durable enough for real-world use, and the shoulder straps are far more comfortable than I expected from a pack this compact. I’ve carried water bottles, souvenirs, snacks, a light jacket, and electronics with no issues at all. The zippers are smooth, the stitching looks solid, and overall it feels like a thoughtfully designed product from a brand that understands travelers. This has become my go-to secondary bag for flights because it takes up almost no space in my suitcase but becomes incredibly useful once I arrive at my destination. It’s especially perfect for international travel, theme parks, hiking excursions, cruise ports, or simply keeping extra storage handy during long travel days. If I could change one thing, I wish it had one additional exterior pocket for quick-access items like sunglasses or a passport. The current design is streamlined and minimal, which many people will love, but one more small pocket would make it nearly perfect for travel organization. Overall, this is one of the smartest travel purchases I’ve made in a long time. Lightweight, practical, durable, and easy to pack — exactly what you want from an ultralight daypack.
Review: The most perfect travel backpack - The most amazing travel backpack of all time. Super portable. Very light and durable. Spacious yet not small enough for constant travel. Had this for 9 days in Italy across Rome, Florence, Perugia, and Assisi and I couldn’t be happier. The most perfect travel backpack ever.

## Features

- Expand your luggage for day trips at your destination, or have an extra travel bag for souvenirs on the return journey, with this simple, ultralight and collapsible and packable day pack that provides capacity on demand.
- Crafted of bluesign APPROVED main body fabric, GRS-certified 100% recycled, 40D high-tenacity nylon. The bluesign SYSTEM helps us promote, adopt and implement safe chemistry and responsible practices throughout our supply chain. Weight: 0.329 lbs
- Dual stretch exterior side pockets and internal key clip. All Osprey accessories have been overhauled to offer better organization, operation, comfort and reduced environmental impact
- Breathable, padded mesh shoulder straps ensure air flow and comfort, and feature two webbing loops for clipping on essentials. The adjustable sternum strap includes an emergency whistle
- Easy-pull zippers with reinforced pulls for quickly stashing extras, gear, camera accessories, personal items and other travel or and carry on essentials.
- Item Dimensions: 7.48H x 8.66W x 16.54D; Item Weight: 0.329lb

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BKQH39BJ |
| Age Range Description | Adult |
| Apparel Closure Type | Zipper |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Backpack Design | Daypack Backpack |
| Backpack Harness Size | Medium |
| Backpack Harness Type | Shoulder Harness |
| Best Sellers Rank | #2,199 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #571 in Camping & Hiking Equipment |
| Brand Name | Osprey |
| Color | Black |
| Compatible Device Size Maximum | 17 Inches |
| Customer Reviews | 4.7 out of 5 stars 939 Reviews |
| Embellishment Feature | Cord |
| Fit Type | Regular |
| Fit to Size Sentiment | Positive |
| Global Trade Identification Number | 00843820155747 |
| Item Dimensions D x W x H | 2"D x 6"W x 5"H |
| Item Type Name | Travel |
| Item Weight | 0.15 Kilograms |
| Lining Description | Nylon |
| Manufacturer | Osprey |
| Manufacturer Part Number | 10004893 |
| Material Type | Nylon |
| Model Name | Ul Stuff Pack |
| Number Of Pockets | 4 |
| Number of Compartments | 1 |
| Number of Items | 1 |
| Other Special Features of the Product | Packable |
| Outer Material | Nylon |
| Pattern | logo |
| Pocket Description | Utility Pocket |
| Product Care Instructions | Hand Wash Only |
| Product Style | Ultralight Stuff Pack |
| Recommended Uses For Product | School, Travel, Work |
| School Type | High School |
| Shell Type | Soft Shell |
| Size | O/S |
| Sport Type | Travelling |
| Storage Volume | 18 Liters |
| Strap Type | Adjustable |
| Style Number | 10004893 |
| Subject Character | sports |
| UPC | 843820155747 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |

## Images

![Ultralight Collapsible Stuff Pack - Lightweight, Packable Travel Backpack — Extra Bag For Travel and Every Day — 18 L Capacity Daypack to Expand Luggage, Black - Image 1](https://m.media-amazon.com/images/I/41JGxJZjB9L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great add on for travel!
*by C***M on May 9, 2026*

I travel frequently for both work and personal trips, and the Osprey Ultralight Collapsible Stuff Pack has quickly become one of those “why didn’t I buy this sooner?” travel essentials. It folds down incredibly small in my luggage, yet once unpacked it’s surprisingly comfortable and capable for day trips, airport carry-ons, excursions, and even grocery runs while traveling. What impressed me most is how lightweight it is without feeling flimsy. The material feels durable enough for real-world use, and the shoulder straps are far more comfortable than I expected from a pack this compact. I’ve carried water bottles, souvenirs, snacks, a light jacket, and electronics with no issues at all. The zippers are smooth, the stitching looks solid, and overall it feels like a thoughtfully designed product from a brand that understands travelers. This has become my go-to secondary bag for flights because it takes up almost no space in my suitcase but becomes incredibly useful once I arrive at my destination. It’s especially perfect for international travel, theme parks, hiking excursions, cruise ports, or simply keeping extra storage handy during long travel days. If I could change one thing, I wish it had one additional exterior pocket for quick-access items like sunglasses or a passport. The current design is streamlined and minimal, which many people will love, but one more small pocket would make it nearly perfect for travel organization. Overall, this is one of the smartest travel purchases I’ve made in a long time. Lightweight, practical, durable, and easy to pack — exactly what you want from an ultralight daypack.

### ⭐⭐⭐⭐⭐ The most perfect travel backpack
*by S***N on April 24, 2026*

The most amazing travel backpack of all time. Super portable. Very light and durable. Spacious yet not small enough for constant travel. Had this for 9 days in Italy across Rome, Florence, Perugia, and Assisi and I couldn’t be happier. The most perfect travel backpack ever.

### ⭐⭐⭐⭐⭐ Great little packable backpack for travel
*by T***Y on January 27, 2026*

Great little packable backpack. Took this on a trip to St Croix and it worked great for carrying items from rental car to the beach, sometimes requiring over a mile hike to get to the secluded beach. Was able to carry two medium sized beach towels, a drone along with it's controller and a JBL bluetooth speaker. It was comfortable as long as I had the towels on the side resting against my back. When traveling, I have a nice, sturdy Osprey backpack for carrying my laptop, ipad, and a bunch of other stuff. However, I don't want to use it for hiking when I get to a destination and this one worked perfectly for my situation, and I anticipate using it for trips like this for years to come. Best of all, it was easy to re-pack it back into the compact form!

## Frequently Bought Together

- Osprey Ultralight Collapsible Stuff Pack, Black
- Apple AirTag 4 Pack

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**Shop now:** [https://www.desertcart.tw/products/533863202-ultralight-collapsible-stuff-pack-lightweight-packable-travel-backpack-extra-bag](https://www.desertcart.tw/products/533863202-ultralight-collapsible-stuff-pack-lightweight-packable-travel-backpack-extra-bag)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-05-16*