In the Istex book No. 17 patterns 4 and 5: a child’s and an adult version of the same yoked sweater.

The adult version (Bergmar in “The Best of Lopi”) is knitted from Álafoss Lopi and the child version ( “Jens” in “The Best of Lopi”) is knitted from Létt lopi.

Here you see a picture of a nice example of this sweater!
And another example here.