Satch backpack designed for school and everyday use, with an adjustable back length for ergonomic support and organised storage. Key attributes: Multicolor | Polyester | Water-repellent | Dirt-resistant | Adjustable back length | Adjustable front straps | Headphone port | Mesh pocket on lumbar belt | Reflective bands | Expandable external pockets | Optimised internal organisation | Dimensions & fit: 30 x 45 x 22 cm (L/P/H) | Weight 1200 g | Volume 30 liters | Adjustable back length from 1.40 m to 1.80 m for a customised fit | Ergonomic back support | Composition & care: Polyester (PET)