Mercury is a sports backpack for race and training dedicated to children. It has small size, it is made of durable material, it is lightweight to wear and really functional. In addition to the large upper compartment and a front zip pocket, this backpack also offers a large shoe rack with a rigid bottom (included in the backpack). This backpack is ideal for holding training clothing, but can also be used in leisure and travel due to its modern and colourful design. The erreà rigid bottom has been specially designed to allow you to carry your race shoes or training on any occasion. This rigid bottom is 12 cm tall and is perfect for use with the backpack: it is sturdy and lightweight, but fits perfectly into a small backpack to minimize bulk and give you plenty of freedom of movement.