MontBlanc Unisex Backpack. SKU: 198045. Barcode: 4062037801094. Color: Ink blue. Size: 32 17 46 cm. Montblanc Extreme 3.0 Large Backpack 3 Compartments. This backpack combines contemporary style with everyday functionality. Crafted from embossed full-grain leather featuring the Extreme 3.0 motif, and complemented by sleek black metal fittings, it delivers a distinctive modern look. Designed for comfort and practicality, it includes a padded compartment for laptops up to 15, multiple pockets, and two dedicated loops for writing instrumentsmaking it an ideal companion for dynamic urban lifestyles.