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
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.
Which backpack suits which child?
- Very slim / small children: Slim Unique
- Children who love organisation: Boxy Unique
- Active & sporty children: Flexy Unique
- All models: ergonomic & safe
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:
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.

















































