Front view of Expandable Check-In Medium in Storm Grey
Front view of Expandable Check-In Medium in Ocean Blue
Front view of Expandable Check-In Medium in Midnight Black
Front view of Expandable Check-In Medium in Storm Grey
Angled view of Expandable Check-In Medium in Storm Grey
Side view of Expandable Check-In Medium in Storm Grey
Expanded zipper view of Expandable Check-In Medium in Storm Grey
Back view of Expandable Check-In Medium in Storm Grey
Inside view of Expandable Check-In Medium in Storm Grey
Luggage handle view of Expandable Check-In Medium in Storm Grey
Extended luggage handle view of Expandable Check-In Medium in Storm Grey
Front view of Expandable Check-In Medium in Ocean Blue
Angled view of Expandable Check-In Medium in Ocean Blue
Side view of Expandable Check-In Medium in Ocean Blue
Expanded zipper view of Expandable Check-In Medium in Ocean Blue
Back view of Expandable Check-In Medium in Ocean Blue
Inside view of Expandable Check-In Medium in Ocean Blue
Luggage handle view of Expandable Check-In Medium in Ocean Blue
Extended luggage handle view of Expandable Check-In Medium in Ocean Blue
Front view of Expandable Check-In Medium in Midnight Black
Angled view of Expandable Check-In Medium in Midnight Black
Side view of Expandable Check-In Medium in Midnight Black
Expanded zipper view of Expandable Check-In Medium in Midnight Black
Back view of Expandable Check-In Medium in Midnight Black
Inside view of Expandable Check-In Medium in Midnight Black
Luggage handle view of Expandable Check-In Medium in Midnight Black
Extended luggage handle view of Expandable Check-In Medium in Midnight Black

Expandable Check-In Medium

5.0
Rated 5.0 out of 5 stars
4 Reviews
£380
Ocean Blue

Save 15% on essential accessories

  • Description
  • Features
  • Specs
  • Warranty & Returns

The Expandable Check-In Medium is the perfect midsize case, now with space for more. The expandable wraparound zipper adds 1.6" of depth to your luggage, ideal for last-minute items and cherished travel mementos.

Outfitted with a high-quality polycarbonate shell, the Expandable Check-In Medium is dent-resistant, impact-friendly and virtually unbreakable. It features our new ultra-sturdy telescopic handle, redesigned 57 mm whisper-quiet wheels, TSA-Accepted lock, vegan leather details, and all-premium materials. Any of our carry-on sizes can nest inside for easy storage when you’re not travelling.

  • Aerospace-grade, water-resistant polycarbonate hard shell made from partially recycled materials
  • Wraparound expandable zipper adds 1.6" to the depth of the luggage
  • The expandable gusset is made with heavy duty 1260D nylon material
  • Redesigned 57 mm high performance 360° spinner wheels
  • New adjustable telescopic handle with 4 height settings
  • Luxuriously soft, anti-microbial lining, made from 100% recycled polyester
  • Ultra-microfibre vegan leather details
  • TSA-Accepted combination lock
  • Colour-coordinated YKK reverse coil zippers
  • Dual Y-shaped compression straps and divider

Includes anti-microbial, silver ion-coated laundry bag and two shoe bags, plus vegan leather luggage tag.

Learn more about our quality

  • Exterior measurements: 26.5" × 18.5" × 11.2"
  • Expanded exterior measurements: 26.5" × 18.5" × 12.8"
  • Interior measurements: 24.4" × 17.7"
  • 7–18 days trip length
  • Weight: 10.1 lb
  • Volume: 80 L
  • Expanded volume: 90 L

Measurements include wheels and fixed handles.

We offer a 100-day trial on all our luggage. Take some time – make sure you’ve picked the perfect travel partner. If you don’t love it, send it back!

After 100 days, if any part of your Expandable Check-In Medium suitcase ever breaks, we’ll fix or replace it – guaranteed.

Our luggage is made to last, and is backed by a limited lifetime warranty.

For shipping info, see our FAQ.

Description

The Expandable Check-In Medium is the perfect midsize case, now with space for more. The expandable wraparound zipper adds 1.6" of depth to your luggage, ideal for last-minute items and cherished travel mementos.

Outfitted with a high-quality polycarbonate shell, the Expandable Check-In Medium is dent-resistant, impact-friendly and virtually unbreakable. It features our new ultra-sturdy telescopic handle, redesigned 57 mm whisper-quiet wheels, TSA-Accepted lock, vegan leather details, and all-premium materials. Any of our carry-on sizes can nest inside for easy storage when you’re not travelling.

Features

  • Aerospace-grade, water-resistant polycarbonate hard shell made from partially recycled materials
  • Wraparound expandable zipper adds 1.6" to the depth of the luggage
  • The expandable gusset is made with heavy duty 1260D nylon material
  • Redesigned 57 mm high performance 360° spinner wheels
  • New adjustable telescopic handle with 4 height settings
  • Luxuriously soft, anti-microbial lining, made from 100% recycled polyester
  • Ultra-microfibre vegan leather details
  • TSA-Accepted combination lock
  • Colour-coordinated YKK reverse coil zippers
  • Dual Y-shaped compression straps and divider

Includes anti-microbial, silver ion-coated laundry bag and two shoe bags, plus vegan leather luggage tag.

Learn more about our quality

Specs

  • Exterior measurements: 26.5" × 18.5" × 11.2"
  • Expanded exterior measurements: 26.5" × 18.5" × 12.8"
  • Interior measurements: 24.4" × 17.7"
  • 7–18 days trip length
  • Weight: 10.1 lb
  • Volume: 80 L
  • Expanded volume: 90 L

Measurements include wheels and fixed handles.

Warranty & Returns

We offer a 100-day trial on all our luggage. Take some time – make sure you’ve picked the perfect travel partner. If you don’t love it, send it back!

After 100 days, if any part of your Expandable Check-In Medium suitcase ever breaks, we’ll fix or replace it – guaranteed.

Our luggage is made to last, and is backed by a limited lifetime warranty.

For shipping info, see our FAQ.


Save £20 with a set

Shop smart. Add other items and save £20 when you order together with your Expandable Check-In Medium.

  • Expandable Carry-On £310 £310
    Colour:   Ocean Blue

Guaranteed for life

Every Check-In suitcase comes with a limited lifetime warranty.

100 days to try

Try it out for 100 days. If you don’t love it, send it back. Learn more.

Free shipping

We’ll cover shipping on all orders to the United Kingdom.

Unzip to expand

Our Expandables collection has all the classic features you love, with room for more. The expandable central zipper adds 1.6" of extra space for your travel essentials.

A superior carry-on handle

We focused on rethinking the critically important but often neglected telescopic handle, custom-designing every part from the ground up – from our rocksteady high-grade aluminum tubes to our sleek, ergonomic handle with the release button cleverly hidden underneath.

See what sets us apart

It’s all in the details

The integrated TSA-Accepted lock and aerospace-grade polycarbonate shell keep your belongings secure and protected, while the colour-coordinated gaskets and reverse coil YKK zippers ensure your Monos luggage is always smartly dressed, with places to go.

Learn more

Thoughtfully designed interior

A zipped panel on one half of the suitcase keeps your shoes and other items tucked away, while ballistic nylon compression straps and a cover panel with pockets keep your clothing compact on the other half. And generously sized, thoughtfully placed pockets maximize every inch of storage, meaning you can get more out of every trip. Pair with our Compressible Packing Cubes to take your packing to the next level.

Learn more

Customer reviews
Expandable Check-In Medium

5.0
Rated 5.0 out of 5 stars
Based on 4 reviews
4 reviews
  • Lucy G.
    Verified Buyer
    Yesterday
    Expandable Carry-On Pro
    Reviewing
    Expandable Carry-On Pro
    Rated 5 out of 5 stars
    Wow!

    I haven’t traveled yet but I am impressed with the design and quality of materials . The carry on has lots of space without interior add-ons that get in the way. The front compartment is beautifully designed and doesn’t waste space. I am eager to get going with it.

  • Melanie B.
    Verified Buyer
    Yesterday
    Expandable Check-In Medium
    Reviewing
    Expandable Check-In Medium
    Rated 5 out of 5 stars
    Superb quality

    Absolutely superb quality. Cannot wait to use in my next trip

  • Pradeep J.
    Verified Buyer
    3 days ago
    Expandable Carry-On
    Reviewing
    Expandable Carry-On
    Rated 5 out of 5 stars
    Expandable carry-on

    It rocks!

  • Joan W.
    Verified Buyer
    2 hours ago
    Expandable Carry-On Pro
    Reviewing
    Expandable Carry-On Pro
    Rated 5 out of 5 stars
    Total class!!

    I can’t wait to begin to travel the world with this gorgeous carry on from y’all !!!

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