Montblanc Mens Backpack. SKU: 199368. Color: Black. Size: 6.7 x 2.4 x 11.6. The Sartorial Sling Bag, crafted from elegant black Saffiano-embossed leather, brings modern casual style to your everyday look. Designed for functionality, it features a secure zip closure and an adjustable shoulder strap for comfort. The spacious main compartment is complemented by an internal zipped pocket for valuables, while the exterior offers a zipped pocket, three open pockets, and dedicated slots for three credit cards. Material: Leather.