Velour cats are 70% hairless and will have a coat of up to 1 mm in length. There is some resistance if you brush them the wrong way.
Flock cats are 90% hairless and feel like a smooth chamois leather to the touch, with no stickiness. They can be pet in either direction without resistance.
Brush Coat cats have a short coat with wiry hair up to 5 mm long. Brush Coated cats have only one copy of the hair loss gene. The coat feels like a felt and can be pet in either direction. This coat type is unique to the Peterbald — no other breed of cat has a brush coat.
Straight Coat cats have a short coat with normal whiskers. They have no copies of the hair loss gene. It is normal variant coat as oriental shorthair or siamese has.