Saola Shoes for men and women are crafted using recycled and bio-based materials.  Knit uppers are made of 4 recycled plastic water bottles. Removable insoles are 100% natural cork, harvested algae foam and EVA to provide maximum comfort. Outsoles are constructed from natural algaes and EVA which create a lightweight and cushioned experience.  11 gallons of clean water is returned to the habitat per pair of Saola Shoes that is made.