Saola-Like no with no signs of wear. Women’s 8 Men 6.5 Ultra-light materials = comfort. One shoe weights less than 0,4 lbs!! Knit construction ups better flexibility and warm-weather comfort Removable insole Care instructions:Machine Wash Sole: Synthetic Waterproof Ultralight and flexible upper Eco-Friendly: Made with natural and recycled materials 100% Vegan, waterproof, ultra-light and comfy. Made from recycled and bio-based materials. EVA, rubber, algae, recycled PET, cork, organic cotton. Upper made of 6 recycled plastic bottles. Insole: 100% natural cork, harvested algae foam and EVA make a perfect sustainable combo for a maximum of comfort. 2,6 gallons of clean water returned to habitat per pair.