Jack Wolfskin Velocity 12 is a compact 12-litre backpack designed for cycling, day hikes and urban commuting. It pairs a lightweight carrying system with hydration compatibility and integrated rain protection for on-the-go adventures. Key attributes: Black | Phantom | Polyester | Hydration-system ready | Lightweight support (0.53 kg) | Visibility-enhancing reflective details | Pump and bottle holder | Front pocket and inner pocket | Key hook | Chest strap | Removable hip belt | Integrated raincover | Safety whistle | Hydration-system provision | AEROSHAPE Lite carrying system | Streamlined bike-pack silhouette | 12-litre volume | Dimensions & fit: 45 x 33 x 5 cm (L x W x H) | Volume: 12 L | Weight: 0.53 kg | One size | Composition & care: Outer material: 100% Polyester | Lining: 100% Polyester