Pattern inspired by Estonian socks from the 1980s book Scandinavian Knitwear - 30 original designs from traditional patterns by Alice Starmore.

Materials:
7 (7,7,8,8) 50g balls of Standard DK in MS
6 (6,7,7,7) 50g balls of Standard DK i C
1 pair each of 3.75 and 4 mm needles
9 buttons

Tension
12 sts and 12.5 rows to 5 cm (2 ins) measured over pattern using 4 mm needles.