Wear-resistant canvas. 20 to 35 litre capacity. Anti-theft construction. The HeriGuard Canvas Explorer Backpack is built from heavy-gauge wear-resistant canvas that holds up against daily abrasion. The capacity expands from 20 to 35 litres depending on how the main compartment is packed, making it suitable for daily commutes and weekend travel without switching bags. The anti-theft design positions the main access point against the body when worn, blocking casual access without slowing down your own retrieval. Multiple internal pockets and compartments keep gear organized across a range of load types, from laptops to travel documents. Material: Wear-resistant canvas Capacity: 20 to 35 litres Security: Anti-theft back-access design Interior: Multiple pockets and compartments including laptop space Style: Retro canvas design with modern function Gender: Unisex Available in Deep Blue, Khaki, Black, Coffee, Army Green, and Grey.