black full grain

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William is a backpack that can be worn as a briefcase. With functionality in mind, we created two padded laptop compartments and enough pockets for extras such as your charger, glasses or headset.

The two handles, on both sides of the bag, make it possible to switch from backpack to briefcase. The shoulder straps can easily be tucked away with the handy backstrap, which can also be used to attach your bag to your trolley when traveling.


- Two separate padded compartments for a 15” laptop
- Inside groove to store cards & other small objects
- Extra side compartments large enough for a laptop or other flat objects
- Backstrap to attach trolley or store shoulder straps in
- Waterproof YKK zipper
- Two handles, on both sides of the bag
- Moss cotton lining
- Measurements: 30 x 10 x 42

The backpack is named after William - Lies and William met in 2019 when William contacted us for an internship. During his final year of product design at Howest Kortrijk, he was studying a leatherworking evening course. Lies followed the same classes a few years ago, so she knew he would be skilled. 4 years later William is still helping us out with designing and prototyping. 

Materials & production 

Designed in: Antwerp.
Handmade in: Tunisia 

- black full grain, moss full grain — Italian cow leather

- black full grain, moss full grain — moss cotton lining

All our leather is certified with an LWG Silver or Gold rating. Ensuring the leather is tanned responsibly. Read more about our leather here.

We use a minimum of zippers and metals to increase the longevity of your bag.

To keep the impact on our planet low, we invest in a production process that:
- Is energy-efficient
- Is low-waste
- Has a closed-loop-water system.

We recommend spraying your bag with a water repellent coating such as Nanex, to avoid marks caused by raindrops.

Shipping & Returns 

We use Bpost Express for deliveries in Belgium, DPD for deliveries in the EU and UPS for deliveries outside of the EU. Delivery times and shipping fees depend on your location and the amount of your order. 

Read more about our shipping policy here.

We hope you will love everything that you order from us, but if something isn’t quite right, you have 14 days to return. Contact boutique@liesmertens.be including your order ID & name and we will arrange a return for you.

Read more about our return policy here.


Would you like to personalise your handbag or accessory? Buy from our Antwerp store and have it embossed on the spot and by hand.

Read more about our embossing service here

meet William, the person behind our first men's collection

meet William, the person behind our first men's collection

designer Ben Storms on mindful design

designer Ben Storms on mindful design