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By Joybuy Product Recommendation Officer, July 22, 2026
A sudden downpour on the way to work or university—a scenario many commuters are familiar with. In moments like these, one thing matters most: the certainty that your laptop, documents, and personal items will stay safe and dry. A simple backpack often isn't enough. However, the search for a model that combines functionality, protection, and comfort can be overwhelming.
This article serves as your guide. As your Joybuy Product Recommendation Officer, I've made it my mission to filter market information and provide you with an objective overview of functional daypacks. The goal is to simplify your choice by focusing on tangible properties and practical features.
Before we look at specific models, it's helpful to know the most important selection criteria. These three points will help you define your needs and make an informed decision.
The term "waterproof" is often used, but there are subtle differences. Many backpacks are merely water-resistant, meaning they can repel light drizzle for a short time. A waterproof daypack, on the other hand, is made of materials or has coatings that keep the contents dry even in heavier or prolonged rain. Look for materials like high-density polyester or specially treated nylon. Sealed zippers offer additional protection at the most vulnerable points.
A backpack's volume is measured in litres. For the daily commute to work or university, 10 to 20 litres is often sufficient. However, a key feature is flexibility. An expandable backpack offers the ability to increase its volume when needed—ideal for when you need to do some shopping after work or are heading out on a short trip. A well-thought-out interior with a padded laptop backpack compartment, smaller pockets for accessories, and quick access to essentials like keys or a transit pass is essential for an organised day.
A backpack worn daily must be comfortable. A lightweight backpack reduces the base load from the start. Padded, adjustable shoulder straps and a breathable back panel distribute weight evenly and prevent excessive sweating. For commuters in busy cities or on their travels, theft protection is also becoming increasingly important. An anti-theft backpack is characterised by hidden zippers, cut-resistant materials, or concealed pockets on the back to protect valuables from unauthorised access.
Based on the criteria above, we have selected a few models that are well-suited for urban daily life due to their specific features.
Why it stands out: The Beneunder LC183 is a prime example of flexibility. Its main feature is the expandable design, which increases the capacity from 10 to 13 litres with just a few adjustments—a 30% increase. Made from high-strength, ultra-soft nylon fabric, it is not only a lightweight backpack (approx. 235 g) but is also wind and rain-resistant, according to the manufacturer.
Benefits at a glance:
Who is this model for? Ideal for minimalists and commuters looking for an extremely lightweight and flexible companion for everyday life. The expansion feature makes it practical for spontaneous shopping trips or when you need to pack a little extra for a short trip.
View details for the Beneunder LC183 (Pink)
Why it stands out: This model from KONO clearly focuses on security and tech-focused features. The anti-theft backpack includes a detachable lock to secure the zippers. Another practical feature is the integrated USB charging port, which allows you to charge devices on the go (power bank not included). The water-resistant polyester fabric protects the contents in bad weather.
Benefits at a glance:
Who is this model for? Perfect for professional commuters, students, and tech-savvy users who carry valuable electronics daily. Anyone who frequently uses public transport or travels through busy areas will benefit from the added security features.
View details for the KONO Anti-Theft Backpack
Why it stands out: This model is the colour alternative to the pink Beneunder LC183 already presented and shares its functional properties. The neutral grey colour makes it a subtle and versatile unisex backpack for men and women. Here, too, the focus is on the ultra-lightweight design, expandable volume, and weather-resistant material.
Benefits at a glance:
Who is this model for? Suitable for anyone who appreciates the functionality of the Beneunder LC183 but prefers a more understated colour scheme for professional or university life. It is the ideal companion for those who value minimalism, flexibility, and low weight.
View details for the Beneunder LC183 (Grey)
The models presented here cover specific needs, from flexibility and security to ultra-lightweight design. If you haven't found the right model for your individual requirements yet, you may find a suitable alternative in our wider selection.
Discover our entire collection of backpacks for travel and everyday use in the International Flight Backpack category.
A water-resistant fabric is treated to make water bead up on its surface. It offers protection against light rain or brief showers. A waterproof fabric, however, forms an impermeable barrier against water, keeping the contents dry even in heavy or sustained rain. This is often achieved through special coatings (e.g., PU or PVC) or membranes.
Proper care is crucial to maintain the protective properties of the material. It is generally recommended to wipe the surface with a damp cloth. Machine washing should be avoided as it can damage the coating. After cleaning, let the backpack air dry and avoid direct heat sources like radiators or direct sunlight. Always follow the manufacturer's specific care instructions.
An anti-theft backpack increases security through specific design features. These include hidden zippers that are not easily accessible from the outside, concealed pockets (often on the back panel) for valuables like a passport or wallet, and sometimes lockable zipper pulls. Some models use cut-resistant materials. These features serve as a deterrent and make opportunistic thefts significantly more difficult, especially in crowds. While there is no absolute guarantee of security, these features offer a much higher level of protection compared to conventional backpacks.