Materials:
4,5 mm and 5,5 mm circular needles.
Pima Merino Casita de Lana, DK weigth, 100 grams/182 meters skeins:
480 (500) 550 (600) 630 (680) grams per size.

Size Guide:

Chest Contour:
XS: 80-85 cm, S: 85-90 cm, M:90-95 cm, L: 95-100 cm, XL: 100-110 cm, XXL: 110-120 cm.

This cardigan has a positive ease of 5-8 cm over the chest circumference, so it ends up with the following chest circumference measurement:XS: 92 cm, S: 100 cm, M: 108 cm, L: 116 cm, XL: 124 cm, XXL: 130 cm.

Gauge:
16 stitches x 23 rows in sotckinette =10x10cm.
(with 5,5 cm needles).