---
product_id: 142446749
title: "MIER Large Duffle Bag Backpack for Travel Camping Gym Sports, 45L/60L/90L | Water Resistant, Convertible Duffel, Detachable Backpack Straps, Shoe Compartment, Heavy-Duty Tarpaulin, 3 Sizes"
brand: "mier"
price: "$410.16"
currency: USD
in_stock: true
reviews_count: 13
category: "Mier"
url: https://www.desertcart.us/products/142446749-mier-large-duffle-bag-backpack-for-travel-camping-gym-sports
store_origin: US
region: United States of America
---

# Convertible duffel/backpack straps Water-resistant heavy-duty tarpaulin Dedicated ventilated shoe compartment MIER Large Duffle Bag Backpack for Travel Camping Gym Sports, 45L/60L/90L | Water Resistant, Convertible Duffel, Detachable Backpack Straps, Shoe Compartment, Heavy-Duty Tarpaulin, 3 Sizes

**Brand:** mier
**Price:** $410.16
**Availability:** ✅ In Stock

## Summary

> 🎒 Elevate your travel game with the ultimate convertible duffel — because your gear deserves versatility and durability.

## Quick Answers

- **What is this?** MIER Large Duffle Bag Backpack for Travel Camping Gym Sports, 45L/60L/90L | Water Resistant, Convertible Duffel, Detachable Backpack Straps, Shoe Compartment, Heavy-Duty Tarpaulin, 3 Sizes by mier
- **How much does it cost?** $410.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/142446749-mier-large-duffle-bag-backpack-for-travel-camping-gym-sports)

## Best For

- mier enthusiasts

## Why This Product

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

## Key Features

- • **Tailored Capacity Options:** Choose 45L for quick gym sessions, 60L for weekend getaways, or 90L for extended adventures.
- • **Rugged Water-Resistant Build:** Crafted with tear-resistant tarpaulin and reinforced base to brave any weather or terrain.
- • **Organized for the On-the-Go Pro:** Multiple specialized pockets including ventilated shoe and toiletry compartments keep essentials sorted.
- • **Versatile 3-in-1 Carrying Modes:** Switch effortlessly between duffel, backpack, or shoulder sling to match your hustle and style.
- • **Compression System for Compact Travel:** Innovative straps shrink bulky loads, maximizing space without bulk.

## Overview

The MIER Large Duffle Bag Backpack is a premium, water-resistant travel companion available in 45L, 60L, and 90L sizes. Featuring convertible straps for duffel or backpack use, reinforced tear-resistant tarpaulin construction, and multiple specialized compartments including a ventilated shoe pocket, it’s designed for gym, camping, and extended travel. Backed by a 2-year warranty and praised for durability and customer service, it blends minimalist style with rugged functionality.

## Description

Buy MIER Large Duffle Bag Backpack for Travel Camping Gym Sports, 45L/60L/90L | Water Resistant, Convertible Duffel, Detachable Backpack Straps, Shoe Compartment, Heavy-Duty Tarpaulin, 3 Sizes: Sports Duffels - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Sturdy, high quality fabric and material, and exceptional customer service. - I debated purchasing the MIER Large Duffel Backpack for quite sometime. It was difficult to see if it was well-made and sturdy. When I received it, I'm glad I purchased it based on these two points. The first duffel backpack I purchased was coming apart at the seams. Customer service contacted me through this review, immediately, and offered to send a replacement. The company representative was very attentive and responsive to my questions and messages. A replacement was sent out swiftly. The turnaround time to send out the replacement was two days and the shipping speed was priority. 1. Company backs up their warranty and replacement program. 2. Exceptional customer service. 3. High quality fabric + material, and very sturdy. 4. It does not feel like a flimsy duffel backpack or bag that you purchase from a sporting goods store. 5. Able to fit a basketball, shoes, clothes, large water bottle, and accessories such as a foam roller in the 45L version. I recommend a larger size if you want more space. 6. Great duffel bag or backpack conversion design. Use the strap as a duffel bag, or use the twin straps like a backpack (three straps total). All straps are removable and easy to store away inside the bag. 7. Understated, subtle look. 8. No big brand name logo plastered all over the bag. 9. Minimalistic look. 10. Excellent value. I'm very picky about sports gym bags. This one ticks all the boxes. It is heavy duty, durable, and has a high quality feel. It is water resistant has the company claims. The minimalistic look without brand name logos being placed all over the bag is a huge plus. Mierlife does stand by their product. They do care. A customer service team member reached out to me first before I even thought about doing so. And they were able to send out a replacement, quickly. Very kind and professional.
Review: Great quality for great price - This is such a great bag for weekend trips or camping trips. I also use it for a gym bag, so it’s nice that they have the inner pocket in the side pocket. I love that the bag comes with both the backpack straps and the regular duffel sling because I can bike to the gym with it on my back, but don’t want it to be a backpack all of the time. The material is great and durable - similar to those expensive north face ones. Plus, the colors are great. Main qualms are this: when backpack straps are on, it is difficult to zip and unzip. I don’t know how you would really circumvent this issue, but i find that the overhang over the zipper contributes to this issue. That overhang is nice for extra protection however. I also wish there were a few more smaller pockets. There’s a really small thin side pocket that runs parallel to the bags length and then one side of the barrel that opens up. I wish both sides opened.

## Features

- Duffel Bag or Backpack? ---- You can own them all at once! MIER sports duffel designed with adjustable backpack straps which are easily attached or detached, adjustable sternum straps ensure suitable place to wear, also has an adjustable/removable shoulder strap and 4 sides soft haul handle for multiple carrying ways
- Multifunctional Pockets ---- D-zip opening with a weather-resistant zipper flap included 1 big mesh pocket with 1 key loop inside, 1 inner zipper pocket and 1 open pocket; Outside: 1 zipper pocket on the front, 1 big side zipper compartment included a shoes compartment with mesh ventilated and 1 pocket for toiletries and towels; Water-resistant ID pocket on top
- Water Repellent Duffel ---- Built from heavy-duty water resistant tarpaulin and reinforced double layered tear-resistant floor panel, designed for harsh environments and features huge capacity to hold your workout gear or your trip stuffs. Best for hiking, camping, climbing, gym sports, car trip, traveling or other outdoor adventures
- Functional Construction ---- Daisy chain loops and "D" rings on strap for extra attachments; Innovative compression strap system helps compact large loads; Smooth "MIER" brand zipper and strong buckles, box-stitched on every stress points, being more durable and tough, make MIER bag ready for a lifetime of adventures
- Different Capacity ---- 45L: Airline carry-on size. Great size for a gym/fitness/sports bag or for shorter weekend trips. 60L: Designs for 5-7 days trips/camping/adventure. 90L：Designs for travel over a week/camping/adventure for more bulky sports gear

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RYTDGGQ |
| Best Sellers Rank | #39,015 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #43 in Sports Duffel Bags |
| Brand Name | MIER |
| Capacity | 90 liters |
| Closure Type | Zipper |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 2,471 Reviews |
| Handle Type | Padded grip handle in 4 sides |
| Item Dimensions L x W x H | 29.5"L x 15.75"W x 15.75"H |
| Item Weight | 4.9 Pounds |
| Manufacturer | MIER |
| Manufacturer Part Number | 10110033-9007-S02 |
| Manufacturer Warranty Description | 2 year manufacturer |
| Material Type | Tarpaulin |
| Model Name | Duffel Bag Backpack |
| Model Number | 10110033 |
| Number of Compartments | 5 |
| Number of Items | 1 |
| Recommended Uses For Product | Camping, Gym, Travel |
| Size | 90L |
| Strap Type | Convertible |
| Style Name | Backpacking |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |

## Images

![MIER Large Duffle Bag Backpack for Travel Camping Gym Sports, 45L/60L/90L | Water Resistant, Convertible Duffel, Detachable Backpack Straps, Shoe Compartment, Heavy-Duty Tarpaulin, 3 Sizes - Image 1](https://m.media-amazon.com/images/I/714Wk5K4fzL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can the 60 litre size bag be used for carry-on on an airplane?**
A: That's an iffy situation I had the 90 liter one and I use it as carry on. But I'm a big guy and my girlfriend who's 5"2 had the exact same bag and they wouldn't allow her to use it as carry on.  I think technically it's too big but nobody really pays attention to backpacks unless it's obviously oversized when they look at you

**Q: Hello, i ordered this backpack back in march. and the clips that hold the duffel bag broke on me when carrying the bag. is there any way you can help.**
A: contact the manufacturer - I have done this for another product that I'd taken out of the package and used but it was defective, the manufacturer (contact info on the tags on the bag in this case) would be happy to replace

**Q: Is the 60L still available?**
A: Thanks for contacting MIER. The bigger sizes (60/90L) will be arrival at Amazon warehouse in early January 2020.

**Q: where on the product can I see mark indicating the volume of the bag I was sent?**
A: The volume print is printed on the top flap of the bag.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sturdy, high quality fabric and material, and exceptional customer service.
*by E***N on May 6, 2020*

I debated purchasing the MIER Large Duffel Backpack for quite sometime. It was difficult to see if it was well-made and sturdy. When I received it, I'm glad I purchased it based on these two points. The first duffel backpack I purchased was coming apart at the seams. Customer service contacted me through this review, immediately, and offered to send a replacement. The company representative was very attentive and responsive to my questions and messages. A replacement was sent out swiftly. The turnaround time to send out the replacement was two days and the shipping speed was priority. 1. Company backs up their warranty and replacement program. 2. Exceptional customer service. 3. High quality fabric + material, and very sturdy. 4. It does not feel like a flimsy duffel backpack or bag that you purchase from a sporting goods store. 5. Able to fit a basketball, shoes, clothes, large water bottle, and accessories such as a foam roller in the 45L version. I recommend a larger size if you want more space. 6. Great duffel bag or backpack conversion design. Use the strap as a duffel bag, or use the twin straps like a backpack (three straps total). All straps are removable and easy to store away inside the bag. 7. Understated, subtle look. 8. No big brand name logo plastered all over the bag. 9. Minimalistic look. 10. Excellent value. I'm very picky about sports gym bags. This one ticks all the boxes. It is heavy duty, durable, and has a high quality feel. It is water resistant has the company claims. The minimalistic look without brand name logos being placed all over the bag is a huge plus. Mierlife does stand by their product. They do care. A customer service team member reached out to me first before I even thought about doing so. And they were able to send out a replacement, quickly. Very kind and professional.

### ⭐⭐⭐⭐⭐ Great quality for great price
*by H***O on September 27, 2024*

This is such a great bag for weekend trips or camping trips. I also use it for a gym bag, so it’s nice that they have the inner pocket in the side pocket. I love that the bag comes with both the backpack straps and the regular duffel sling because I can bike to the gym with it on my back, but don’t want it to be a backpack all of the time. The material is great and durable - similar to those expensive north face ones. Plus, the colors are great. Main qualms are this: when backpack straps are on, it is difficult to zip and unzip. I don’t know how you would really circumvent this issue, but i find that the overhang over the zipper contributes to this issue. That overhang is nice for extra protection however. I also wish there were a few more smaller pockets. There’s a really small thin side pocket that runs parallel to the bags length and then one side of the barrel that opens up. I wish both sides opened.

### ⭐⭐⭐⭐⭐ 5/5
*by L***I on February 1, 2024*

I will say that as I was using it, I noticed that the straps do not curve inward away from the shoulders and this created a lot of discomfort for me. The straps do curve, but at the wrong end, maybe. Great brand, great bag, but I am small in stature and the straps are made to be very durable, however they are also made for a larger person. This bag can take a lot of weight with no problem. I filled it to the brim with clothes but I have no doubt it can take heavier objects, anything you need in the field will be fine. The walls are sturdy and not easy to tear, the storage is ample, true 90 liters, the pockets are easy to get into, and the positioning prevents things from getting loose and falling out. Zippers are sturdy and plastic and metal, the zipper line is plastic, the zipper catch is metal with smooth zipping. Very secure bag. I recommend this for camping and other ventures, def good for hunting. Waterproof as I tried it out in full rain, everything kept perfecly dry. This is built to last, no flimsy seams, no sloppy sewing in the seams. I will defnitely be buying this brand again. Actually, I already did, just got the smaller version of this bag, as the 90 liters was a mistake for my weight capacity. This is a very no nonsense unit very thoughtfully put together.

## Frequently Bought Together

- MIER Large Duffel Backpack Sports Gym Bag with Shoe Compartment, Heavy Duty and Water Resistant, Black, 90L
- MIER Water Resistant Backpack Duffle Heavy Duty Convertible Duffle Bag with Backpack Straps for Gym, Sports, Travel

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-14*