Satch Air Blackjack Backpack pairs an ergonomic, height-adjustable back system with reflective details for comfortable, secure daily use. It provides organised storage including a laptop compartment and expandable external pockets. Key attributes: Black | Nero | Fabric | Reflective details | Lightweight construction | Adjustable back length (1.40 m to 1.80 m) | Padded back panel | Laptop compartment | Main compartment | Organizer compartment | Expandable external pockets | Stable structure despite lightweight construction | Ergonomic back design | Reflective accents | Dimensions & fit: 28 x 45 x 16 cm (L/P/H) | Weight: 1000 g | Volume: 26 liters | Ergonomic adjustable back length (1.40 m to 1.80 m)