An older man with leathery skin and a sweat - stained work shirt scanned me from my feet to my neck without making eye contact. (bookbrowse.com)
It is called leatherback because it does not have a common bony carapace but its carapace is covered by its thick, leathery skin with embedded minuscule bony plates. (yourtravelmap.com)
Freezer burn is when you see leathery looking grayish brown spots. (littleremedies.com)