Generally, nappa leather is pretty high quality leather, it is unsplit, full grain leather. Full grain means that the skin’s surface hasn’t been altered apart from hair removal and is regarded as one of the most authentic kinds of leather since it keeps the texture from the original hide.
Nappa leather is a finish to bovine or sheep hides, characterized by a silky hand, soft tempering and a low thickness. This finish is usually the non-covering pure aniline or semi-aniline one, this means that in the majority of cases these are good quality leathers as any defect in the dermis cannot be masked by the finish.
Initially developed for use on gloves, nappa leather is now found on a wide variety of articles.
When it comes to the high quality nappa leather, you can expect the material to be luxurious and stylish. With minimal maintenance required unfortunately nappa leather is also often used to describe low-grade leather products or even synthetic leather to denote softness.
In other words, just because a leather is called nappa leather doesn’t mean that it is necessary a high quality leather since the name has been stretched and misused.