Adidas Backpack, 12.5 liters, 15 cm x 37 cm x 20 cm, made of recycled polyester

Here is a review in Markdown format, without a main title, as requested.

If you are looking for a compact, practical and clever Adidas backpack for everyday use, this 12.5-liter model really ticks all the boxes. With its dimensions of 15 cm x 37 cm x 20 cm, it is perfect for carrying the essentials without taking up too much space: a tablet, a change of clothes for sports, or some quick groceries. The value for money is exceptional for a product from this brand.

In terms of construction, the exterior is made of recycled polyester, a detail that matters when you want to consume more responsibly. The interior is made of thermoplastic elastomer, making it both sturdy and easy to clean. For small urban adventures or a light weekend, this backpack holds up perfectly.

Key features:

• Capacity of 12.5 liters, ideal for daily transport
• Compact dimensions: 15 cm x 37 cm x 20 cm
• Exterior material: recycled polyester (durable and eco-friendly)
• Interior made of thermoplastic elastomer (resistant and easy to maintain)
• Understated Adidas look, goes with any outfit

In short, an excellent choice if you need a small, functional and stylish backpack without breaking the bank.