Exodus 26:14

14 Make for the tent a covering of ram skins dyed red, and over that a covering of the other durable leather.a

Read Exodus 26:14 Using Other Translations

And thou shalt make a covering for the tent of rams' skins dyed red, and a covering above of badgers' skins.
And you shall make for the tent a covering of tanned rams' skins and a covering of goatskins on top.
Complete the tent covering with a protective layer of tanned ram skins and a layer of fine goatskin leather.