As of my last knowledge update in January 2022, I don't have real-time information on specific products available in 2024. However, I can provide you with some general trends and features that were gaining popularity in backpack design up until my last update.

Smart Backpacks:

Backpacks with integrated technology, such as built-in USB ports, wireless charging capabilities, and smart compartments for organizing and accessing electronic devices, were becoming increasingly popular.

Eco-Friendly Materials:

Sustainable and eco-friendly materials were gaining traction in the backpack industry. Brands were focusing on using recycled materials, organic fabrics, and environmentally conscious manufacturing processes.

Modular Designs:

Backpacks with modular features, allowing users to customize and adapt the bag to their specific needs, were on the rise. This included detachable compartments, adjustable straps, and the ability to expand or compress the bag as needed.

Anti-Theft Features:

Backpacks designed with anti-theft features, such as lockable zippers, RFID-blocking pockets, and hidden compartments, were gaining popularity to enhance security for travelers and urban commuters.

Multi-functional Backpacks:

Backpacks that served multiple purposes, such as doubling as a briefcase or transforming into a smaller daypack, were becoming more prevalent.

Lightweight and Durable Materials:

Backpacks were being designed with lightweight yet durable materials to ensure longevity and ease of use, especially for those who travel frequently or have an active lifestyle.

Integration of Smart Fabrics:

Some backpacks were incorporating smart fabrics with features like moisture-wicking, temperature regulation, and self-cleaning properties to enhance user comfort.

To find the best options in 2024 in Berlin or any other specific location, consider checking local retailers, specialized backpack stores, and online platforms. Look for reviews, customer feedback, and expert opinions to make an informed decision based on your preferences and needs. Additionally, attending trade shows, where the latest innovations in backpack design are showcased, can provide firsthand insights into the future of backpacks.