What are the materials used?

The eye cups of the mask are made with foam and are covered with a luxurious modal fabric, which is super soft and made from beech trees. Modal is durable, breathable, and absorbent. 

The inner side of the head strap (touching your face) is made with very soft polyester, which is lush, soft, and breathable. The outer side of the head strap is made with 60% cotton and 40% polyester for easy maintenance.