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Casual school backpack model comparison

Lässig School Backpacks: The 3 Models Compared

Which Lässig school backpack suits your child best? In our Lässig school backpack model comparison you'll find everything about ergonomics, construction, weight, everyday practicality, colours & designs. Slim Unique, Boxy Unique or Flexy Unique? Discover the differences now and find the perfect model for a successful start to school.

Why a Lässig school backpack is the right choice

Ergonomic carrying system with chest & hip strap
Lightweight, durable materials
Reflective elements for better visibility
Made from recycled polyester

Lässig School Backpacks: Slim, Boxy or Flexy?

The Lässig Unique range consists of three models: Slim Unique, Boxy Unique and Flexy Unique. All three models are ergonomic and high quality. The differences lie in shape, flexibility and design:

  • Slim vs. classic box shape vs. flexible front
  • Light vs. compact vs. dynamic construction
  • For petite children, tidy-minded children or active children

Colours & designs: All models are available in various colour combinations, from subtle tones to bright, child-friendly prints.

Lässig School Backpack Product Overview

The three models Slim Unique, Boxy Unique & Flexy Unique are available in our shop in numerous colours & designs.

Slim Unique

Laessig School Set Slim Unique Schulranzen-Set 7tlg in Pink

Slim shape • close to the body • lightweight

Boxy Unique

Laessig School Set Boxy Unique Schulranzen-Set 7tlg Speckles Anthracite

Sturdy box shape • great overview • structured interior

Flexy Unique

Laessig School Set Flexy Unique Schulranzen-Set 7tlg Speckles Berry

Flexible front • sporty • dynamic • extra light

Which backpack suits which child?

Lässig School Backpack Comparison Table

The table below shows all the key features of the Lässig school backpacks Slim Unique, Boxy Unique and Flexy Unique at a glance:

Body
Hard shell, slim, close to the body
Hard shell, fixed box shape
Backpack shape, flexible front pocket
Weight
approx. 1095 g
approx. 1170 g
approx. 1000 g
Volume
21 l
21 l
19 l
Dimensions
30×25×41.5
30×25×41.5
30×25×40
Interior
1 main compartment, 2 front pockets
1 main compartment, organiser
Variable, organiser
Carrying system
Chest & hip strap
Chest & hip strap
Chest & hip strap
Reflectors
Front, sides, straps
Front, sides, straps
Front, sides, straps
Colours
Pastel, plain & patterned
Bold, classic
Modern, varied
Highlights
Very light, compact
Structured, sturdy
Flexible front, sporty

Material & Safety

All Lässig Unique school backpacks are made from recycled polyester, are PVC-free and feature reflective surfaces. This combines environmental protection, safety and everyday practicality.

FAQ – Frequently Asked Questions

What is the difference between Slim, Boxy and Flexy Unique?

The models differ in shape and flexibility. Slim is narrow, Boxy is sturdy and angular, Flexy is flexible and especially lightweight. Ergonomics and features are high quality across all three models.

Are the school backpacks available as a set?

Yes, we sell the Lässig school backpacks as a set, consisting of a school backpack, gym bag, pencil case, accessory pouch, neck pouch, a rain cover, plus a set of a keyring and 2 patches. You'll also find further school accessories such as lunch boxes and water bottles in our range.

Which school backpack is the lightest?

The Flexy Unique is especially light at around 1000 g thanks to its slim design and sits close to the back.

Are all models suitable for primary school?

Yes, all three models are specifically designed for primary school children, but can of course also be used beyond that.

Conclusion

Our Lässig school backpack model comparison shows: Slim, Boxy and Flexy Unique differ in shape, flexibility, colours and design, not in quality or ergonomics. What matters most is which model best suits your child's build, activity level and taste.

In the video: The new Slim Unique model

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