Mens shoe from El Naturalista. Inside & outside of naturally treated leather. Velcro on the side. Removable insole with ergonomic design, made from recycled synthetics. Suitable for those who have trouble with sweaty feet. Anatomically constructed insole of recycled cork shaped by the foot. Provides optimum weight distribution of the foot & cushioning in the steps. Outer sole of recycled rubber. Please note that the shoe shade can actually differ from the images as they are made from natural materials.