MontBlanc Mens Backpack. SKU: 130274. Barcode: 4062037106250. Color: Black. Size: 13.3 x 5.9 x 16.5. Montblanc Large Sartorial 3 Compartment Leather Backpack. This backpack, made from Saffiano-printed full-grain calf-skin leather, features three compartments for easy organization, adjustable shoulder straps, and a zipper closure, with a cotton and polyamide lining, ideal for carrying A4 documents, electronics, and business essentials. Material: Calfskin Leather.