It’s a boxy-fit sweater with a simple colour block (intarsia) technique.

Yarn usage by sizes
Main colour : 880 (1,010, 1,178, 1,345) m
Contrast colour : 20 (20, 32, 33) m

Blue one on the photo (Medium size)
Sandnes Garn Tynn Silk Mohair &
Lana Grossa Mohairlana held together

Finished measurements info is on the photo.