How is Caldo Sonno made

Caldo Sonno composition is the secret of its comfort. See the following images.

One of the peculiarity is the expanding supplement in fabric between the fastener zip which link the sheets to the quilt cover. 

This additional space through the upper sheet and the lower one allows people to turn round without restrictions also avoiding that the lower sheet moves out of place.
Upon request Caldo Sonno can be produced with an expanding supplement of more than 30 cm size

The high quality level is remarked in any details, such as silk necklines and zippers with two-side branded laces.

All materials used, in particular fabrics, are carefully selected among the best available on the market. This explain why Caldo Sonno is a long-lasting and long-lived product because resists many washes always maintaining, in the course of  time,  the same comfort appreciated since the first night!