Velletri external parts are made with high-quality microfiber Vegan Leather. For the internals, we’ve chosen a soft and padded, textile material. Your feet will rest on a biolatex insole that’s lined with a high-quality microfiber Vegan Leather which is sweat-absorbent, and able to hold 8 times its weight in water. This combination adds comfort and makes sure your feet will be kept fresh all day long. On the bottom, a custom-designed rubber outsole meets the ground to add flexibility and durability.