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Natural rubber

Made with 100% natural rubber, a good rubber sole is highly robust and durable, and naturally has more shock absorption that can last a thousand miles.
Natural rubber extracted for NoStrain slippers

Cork

Cork is obtained from the new outer sheath of bark formed by the inner bark after the original rough outer bark is removed. Cork is good material for foot bed because of the shock-absorbing science and flexible core that support your feet, relieving pressure. It also forms a good foot climate by insulating against hot and cold.

PU leather

PU leather, or polyurethane leather, is artificial leather made of thermoplastic polymer used for making furniture or shoes. It is completely artificial and is considered vegan.

Hemp

Hemp fabric is a type of textile that is made using fibers from the stalks of the Cannabis sativa plant. This plant has been recognized as a source of extraordinarily tensile and durable textile fibers for millennia.

RPET/Recycled Polyester

Unlike polyester, recycled polyester uses PET as the raw material. This is the same material that is used in clear plastic water bottles, and recycling it to create the fabric prevents it from going to landfill.

Denim

Denim is a strong cotton fabric made using a twill weave, which creates a subtle diagonal ribbing pattern. Denim is made from cotton fiber through weaving hence it’s considered a natural material.