Woman’s REI x Outdoor Afro Waterproof Hiking Boots uppers are made from 99% recycled PET polyester They Made with TerraLoft™ midsoles which use 10% algae-based BLOOM Extra space in the toe boxes allows for natural changes in your feet (like swelling) during hours of trail exploration Size woman’s 8.5 Originally purchased for $150 These are in excellent condition, used about 3 times. They do have some surface wear and minor spots but still has tons of life left.