Satch Phantom Pack is a 30‑liter ergonomic backpack made for everyday school use. It features an adjustable back system and smart details for organized, comfortable carrying. Key attributes: Black | Purple | Polyester | Water-repellent | Dirt-resistant | 30 L capacity | Adjustable back length | Adjustable front/chest straps | Expandable external pockets | Optimized internal organization | Mesh pocket on lumbar belt | Headphone port | Reflective bands | Ergonomic back system | Lumbar belt with mesh pocket | Smart headphone outlet | Dimensions & fit: 30 x 45 x 22 cm (L x D x H) | Weight 1200 g | Volume 30 L | Adjustable back length: 1.40 m – 1.80 m | Adjustable front/chest straps for improved weight distribution | Ergonomic back system for support and comfort | Composition & care: Polyester (PET)