Leather Belts Montblanc Width 3.5 The Montblanc Master Selection SFUMATO Series Leather Goods feature natural full-grain leather with a delicate and soft texture, offering comfort and elegance. The unique tanning and processing techniques not only enhance the vibrancy of the colors in the selected series of dyed leather goods but also preserve the inherent creases, veins, and growth lines of high-quality calfskin. The special hand-coloring process gives each piece a unique shading effect.