55% Wolle, 45% Baumwolle

Wollfabrik Hamburg sells most of their yarn in single plys.
This yarn is sold 6-fold and only in 400 g units on cones but a thicker weight can be achieved by working with 2 strands/cones:

Meterage

3-fold 50g 208m Needle 2,0
6-fold 50g 104m Needle 3,5