What is a Nap? When you run you hand down the fabric you can feel that it is smooth one way and rough when you run your hand the other way.,
Patterns will tell you how much fabric depending on whether it is *with nap or **without nap.
Fabrics with nap?
In some fabrics like Velour, Velvet, Fleece, Corduroy Faux fur Nap is very obvious. Brushed denim, flannel, synthetic suede, stretch twill, terry cloth are other fabrics with obvious nap
Why is it important?
It is important whe laying out the pattern, to keep the pattern running in the same direction from head to toe as there can be a slight colour difference if you don’t.
Before purchasing your fabric always check if it has a Nap