42L Carry-On Backpack - Gravel - 42 Liter Backpack closed on a cream background
42L Carry-On Backpack - Gravel - 42 Liter Backpack open showing the features on the inside. The inside shows a mouse, hard drive, laptop sleeve and power bank.
42L Carry-On Backpack - Gravel - 42 Liter Backpack open on a white background
42L Carry-On Backpack - Gravel - The 42 L has a removable rigid backplate, padding and mess which add comfort and help distributes weight properly. Hovering mesh decreases back sweat and doubles as a roller bag passthrough.
42L Carry-On Backpack - Gravel - Woman putting a laptop into the 42 Liter Backpack
42L Carry-On Backpack - Gravel - Man walking down airplane with 42 Liter backpack and 11 Liter Backpack.
42L Carry-On Backpack - Gravel - Man holding 42 Liter backpack outside
42L Carry-On Backpack - Gravel - Man wearing 42 Liter Backpack outside of car
42L Carry-On Backpack - Gravel - Woman holding passport showing hidden pocket on 42 Liter Backpack
Carry-On Travel Backpack (Perfect For 7-10 Days | 42L)
Carry-On Travel Backpack (Perfect For 7-10 Days | 42L)
42L Carry-On Backpack - Gravel - Woman showing water bottle pocket on outside of 42 Liter backpack
42L Carry-On Backpack - Gravel - Lock it down. Secure 11 Liter Day Bag to your 42 Liter with g-hooks and an attachment
42L Carry-On Backpack - Gravel - 42L Carry-On Backpack

Carry-On Travel Backpack (Perfect For 7-10 Days | 42L)

12 reviews
Regular price$399.00
Shipping calculated at checkout.

  • In stock, ready to ship
  • Inventory on the way
  • 2-3 Day US Shipping + Easy Returns
  • Lifetime Warranty
Pack it all into a plethora of sensible pockets, modular internal storage, & stay comfy with fully adjustable straps & structure. Of the Gravel Travel System - this is the packing home base.

• Sling Belt (waist belt/sling bag) attaches to load weight equally & keep everything right by your side
• 11L Day Bag stows away easily w/dedicated pocket or G-Hooks & Loops on the front/back of the backpack
• Explorer PLUS/Explorer SLIM fit in the 42L expandable front pocket for quick TSA scans w/liquids
• Laundry Bag pocket inside the 42L main compartment
• Cinch Straps to secure stuff down inside/outside

Weight: 4 lb 13 oz (2.32 kg)
Dimensions: 21.65" tall x 14" wide x 9.25" deep
Volume: 42L
Main Fabric: 300D Polyester w/TPO Coating w/Outer PU Coating
Keep stuff safe w/ locking YKK zippers

• 42L Carry-On Backpack
• 1 Long Divider
•  Reusable Tan Gravel tote

Meet the 42L

Sling Belt Compatible - YKK buckles attach the Gravel Sling Belt for more storage and weight management.

Modular internal storage with velcro modular dividers (1 long & 1 short divider included)

Super comfy backplate and padding to help with the right fit and to distribute weight properly

Wick back sweat w/ mesh that doubles as a roller bag passthrough

Pocket Features

The Inside

Large outer pocket designed to carry the 11L daypack (sold separately). It also works great for jackets or other items.

Elastic Tech Pockets secure things like chargers, hard drives and memory cards

Secure your laptop in a dedicated laptop pocket that fits up to the new 16" Macbook Pro.

How much stuff can I fit?

The 42L Bag packs 4-7 days worth of stuff! Make it your own by using our dividers and cinch straps.

Comfort Comes First

We took inspiration from backpacking backpacks & added vertically adjustable shoulder straps for proper fit & weight distribution.

We added suspension straps to relieve your shoulders from the weight of the backpack. These help bring the bag forward to bring center of mass inward.

Removable rigid backplate, padding, & mesh add comfort and help distribute weight properly + Hovering mesh decreases back sweat and doubles as a roller bag passthrough.

Video Overview

Customer Reviews
5.0 Based on 12 Reviews
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A Gravel Customer
Drew S.
United States United States

I'll never need to check a suitcase

The perfect travel backpack! Not to big on the outside, but still finds room for everything a backpacker needs!



Hey Drew! Exactly! That's how we want it! :D -Caitlin

Edmund N.
Malaysia Malaysia

Great flexibility

the external strap is sew to the bag which eliminate the issue of the zipper pathway.



Hi Edmund! Following up on this-- was there a problem with your bag? We are happy to send a new one. Best, Brooke

A Gravel Customer
Mr J.
United States United States

Buy it for life

The bag is perfect. Comfortable, modular, durable and spacious without sacrificing any aesthetics. Having it shipped to the hotel I was staying at was a breeze also, with prompt delivery and up-to-date tracking. This is probably the last travel bag I will ever need to buy.



Hi Jake! YES! That's what we like to hear!! -Caitlin

A Gravel Customer
Sheila L.
United States United States

Great backpack

I’ve been looking for years for the ultimate backpack and without a lot of success. I think I may have just found it with this one. I’ve actually had to carefully study it to appreciate all the various features and functions. I do recommend you watch Gravel’s tutorial video on it as I found it helpful. Excellent quality and I can’t wait to hit the road with this one. It will travel the world! I would very much recommend this backpack.



Hi Sheila! Thank you for this! We are so glad you have enjoyed the backpack and the explanation videos. We are so glad it will get to travel with you! -Caitlin

Kenneth B.
United States United States

First Travel Bag and Bar has been set high

I have the complete Backpack Travel System and I have to say this is probably the best investment I’ve made when it comes to trace bags. I used both my 42L bag and 11L bag on a road trip to visit family to get acclimated to using system and it was very convenient. I packed about a weeks worth of clothes, my Explorer Plus Toiletry bag, and my work laptop into 42L bag. I used the 11L bag for my digital camera, iPad, and charger cords, etc. Can’t wait to to use the system on international travel and utilize my 2L sling belt as well. Anyone that is looking to travel minimally and organized, I definitely recommend the system.

Gravel Carry-On Travel Backpack (Perfect For 7-10 Days) Review


Hey Kenneth! WOW! We are so glad you enjoyed your gear so much!! Can't wait for wherever your next trip takes you. Safe travels! -Caitlin


• 42L Carry-On Backpack
• 1 Long Divider
• Tan Gravel tote