Leather

Leather was a material made from the hide of some types of animals.

Captain Jonathan Archer kept a small, leather-bonded book in his ready room aboard. 

In 2267, Spock described a sound he heard as "wood rubbing on some kind of leather." Gaetano believed it signaled a coming attack by the Taurus II anthropoids, but Boma disagreed, saying it could instead be a tribal rite. 

In 2367, to explain Benjamin Maxwell's behavior, Jean-Luc Picard surmised that the had become so used to his anger that he was comfortable with it, as one might be with old leather. 

Leather was often used to make articles of clothing, particularly jackets. Amelia Earhart was wearing a leather jacket when she was found by Kathryn Janeway in a cryostasis chamber in 2371.