The perfect college backpack

Regular price 89.00 EUR Sale price 76.00 EUR
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The perfect college backpack
The Daybag is your perfect companion for the city. Exclusively for students or all those who have never stopped learning...our Daybag masters every day situation. You can quickly access all your most important things and the reflective surface of the backpack protects you during the night.

A year ago we were desperately looking for a backpack with many functions, safety features, but also with a really good design. No results. We asked our friends. They too were at a loss. So we designed the perfect backpack ourselves. It was important for us to express our passion for technology, cycling and design.

The perfect size
- you can easily store your laptop or tablet in a lined compartment. The rest of the backpack has the perfect size to cope with every day situations without making the daybag too bulky.

Safe in traffic
- A large part of the backpack consists of a reflective surface. So you can get around the city safely with the Daybag, especially in the dark season.

Simple design
- The simple design of the backpack turns the daybag into a real eye-catcher. The minimalist look allows the backpack to be combined with any outfit.

Support young startups
- Fancy innovative products? You want to support a young bag start-up? Then you are exactly right with us. We are 19 and 20 years old, come from Hamburg and founded our bag label about one year ago. Learn more about us

Produkt details:

  • Capacity: 17 L
  • Outer dimensions: 44 x 30 x 15 cm
  • Reflective outer materials
  • paddet 16" laptop compartment
  • Laptop compartment: 27 (B) x 2 (T) x 42 (H) cm
  • Zipper compartment 
  • Document compartment
  • Padded back and straps
  • Large compartment with 2-way zipper

      Social responsibility

      Fair production and working conditions are our top priority. That's why all factories that manufacture for us are certified with the BSCI label and work according to the code of conduct.
      You can read more about the BSCI here.


      The topic of sustainability is important to us. As a young start-up, we feel obliged to do our best to contribute to climate neutrality. Through measures such as climate-neutral & plastic-free shipping, as well as the exclusive use of durable materials, we want to help stop climate change.
      You can read more here.

      • Reflektierend
      • Regenfest
      • Gepolstertes Laptopfach
      • Schnellzugriff
      • Stiftefächer
      • Bücherhalterung


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      About OAK25

      We are Jacob and Emil, 20 and 19 years old, and we are the founders of OAK25. Since the 7th grade we are working on many digital projects in our spare time; Our motto: If we don't find what we are looking for, we are doing it ourselves.

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      The perfect university backpack!
      No matter if you need your book, Ipad or pens - with our backpack you have everything you need for university or your studies. During your time at university you should not have to think about your backpack. OAK25 will make your university life smart. But also outside of university the backpack is wonderfully suitable. As the perfect backpack for students, it is of course also a perfect way to carry drinks or sports gear in your daybag.

      Student backpack which flashes
      Our Daybag is not only perfect for the university everyday life. The backpack reflects in the dark. So if you are on your bike at night, the daybag will protect you on your way. So you can get to the university and back safely with the backpack.

      The Daybag as everyday companion
      Are you looking for a beautiful backpack for everyday life? No problem! Our Daybag is perfect for every day situation. Not only students can carry the backpack. As a stylish basic backpack it is suitable for everyone and can be used as a ladies backpack as well as a men's backpack.

      Why our backpack is Smart
      Not only the smart pocket system of the City Backpack makes the backpack smart in everyday life in the city, but rather the found tool of the backpack. If you lose the reflective backpack, you can find it again with the help of our Found Tool.

      Cycling with the OAK25 backpack
      Our backpack is wonderfully suited as a bicycle backpack. Due to a reflective surface the backpack is perfect for cycling to be seen well. The backpack is comfortable on the back and eliminates sweat through quilted padding.