The outer fabric consists of 30 % pure new wool and 70 % lyocell (Tencel®), which is a unique combination. The cover is quilted with 400 g/m2 Tencel in a wave pattern. This cover creates a dry climate during sleep, since it perfectly absorbs humidity and odours. The Sinfonie cover is pleasantly warm in winter and cool in summer. Additionally, it has a high point elasticity. The pure new wool cover is exclusively produced in Europe and suitable for allergy sufferers. Washable up to 60°C.