What is the Layla Foundation cover made from? Layla January 23, 2019 03:55 Updated Follow The Layla Foundation cover is 66% polyester, 30% viscose, and 4% poly/lycra. Related articles Can I wash the Layla Foundation cover? What is the Layla Foundation? Is the Layla Bed Frame Adjustable? What Base or Foundation can I use with the Layla Mattress? Comments 0 comments Please sign in to leave a comment.