Nubuk on looma naha välimisest kihist saadud kare kroomnahk, mille pind on matiks lihvitud. Nubuk on vastupidav ning kas valge või värvitud. Tihti aetakse nubukit segamini seemisnahaga. Need näevad küll sarnased välja, kuid nubuk on tavaliselt hinnalisem.[1][2]
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