Buy the DerDieDas School Backpack
DerDieDas makes Germany's lightest school backpacks — starting at just 800 grams. Perfect for first graders and petite children who need a school backpack that doesn't weigh them down.
DerDieDas ErgoFlex & ErgoFlex XL
The ErgoFlex (800g) is the bestseller for elementary school. The ErgoFlex XL offers more volume for grades 3 and 4. Both feature the typical DerDieDas magnetic closure and luminous surfaces.
Lightweight with Ergonomics
Despite the low weight, DerDieDas school backpacks offer an ergonomic carrying system with padded back and adjustable straps. Ideal for small children who have to carry heavy books every day.
DerDieDas Sets
Complete sets with sports bag, pencil case, sloppy pencil case, and school cone in matching designs. Over 30 motifs for girls and boys — from football to unicorn, all perfectly coordinated.
Frequently Asked Questions
For which age are DerDieDas school backpacks suitable?
DerDieDas backpacks are designed for grades 1 to 4 – ergonomically tailored to children aged 5 to 10 years.
What is special about DerDieDas?
DerDieDas backpacks weigh around 800 g, making them some of the lightest on the market – ideal for petite children and light backs.
How much does a DerDieDas school backpack weigh?
Depending on the model, only 800–900 g. This makes them among the lightest school backpacks available.
