Elephant skin. The War-men are supposed to be very tough, and the coloring seems to match. Probably a good reference. | Elephant, Skin textures, Animal skin
Close-Up Of An Elephant's Skin; Samburu, Kenya - PacificStock
Poster Closeup of elephant skin - PIXERS.US
Close Up Of Elephant Skin by Cameron Zegers
2,052 Elephant Skin Photos and Premium High Res Pictures - Getty Images
Elephant Skin - Texas A&M Veterinary Medical Diagnostic Laboratory
Elephant Skin Close up | Stock Video | Pond5
Hot Spots on Skin Keep Elephants Cool — Biological Strategy — AskNature
Close Up Of Elephant Skin Stock Photo, Picture And Royalty Free Image. Image 2992797.
Elephant Skin Close Up High Resolution Stock Photography and Images - Alamy