UPPER

Upper outer part of the shoe, attached to the outsole.

LINING AND INSOLE

Upper lining and insole

OUTER SOLE

Bottom part of the shoe, subject to abrasive wear

LEATHER

Tanned leather that maintains its original fibrous structure. It can be finished with an extremely thin protective coating (less than 0.15 mm) to preserve its natural breathability.

COATED LEATHER

Leather with a protective top layer thicker than 0.15 mm, but not exceeding one-third of the total material thickness. Offers greater resistance and protection.

TEXTILE OR SYNTHETIC

Natural fabrics or synthetic fibers (including non-wovens) composed of at least 80% by weight of textile fibers. They guarantee lightness, flexibility, and technical comfort.

OTHER MATERIALS

All materials not falling into the previous categories, such as plastic compounds or rubber used for soles, essential for Vionic biomechanical support.