Secure back pocket for storing a lightweight item comfortably (small key, hanky, horse treats, etc.).
A rating to compare products' environmental impacts:
The product's environmental impact is calculated over its entire life cycle using several different indicators. An overall rating (ABCDE) is given to help you to easily identify products with the best environmental performance by comparing the same type of products (T-shirts, trousers, backpacks, etc.).
Decathlon voluntarily chooses to display the environmental ratings of its products.
Find out more: http://sustainability.decathlon.com/