In reading scriptures and studying the doctrines, you should turn all words
right around and apply them to yourself. All the verbal teachings point to
the inherent nature of the immediate mirroring awareness. As long as this
ZAZEN MEDITATION GUIDE - Chapter 5. Garments for Sitting
Garments for Sitting You will not be comfortable with any kind of tight, heavy or hard fabric clothing when you sit in zazen. Therefore, any loose fitting garment made of fine, soft fabrics will be better in sitting. When you do zazen, wearing garment is much better than wearing nothing.