Montblanc Mens Backpack. Sartorial series. SKU: 199360. Color: Medium Grey. Size: 13 x 5.1 x 15.7. Montblanc Medium Grey Sartorial Medium Backpack. Crafted from Saffiano-printed leather for a sophisticated touch, it features three compartments for organized storage of documents, devices, and writing instruments. A front zipped pocket provides quick access to small essentials, while an enlarged Montblanc logo adds a stylish finishing detail. Material: Leather.