Circumference calf: 31 (35) cm
Small size fits calf 34-37 cm
Large size fits calf 38-40 cm

Length for foot:
22 cm for size 34-35 EU
23 cm for size 36-37 EU
24 cm for size 38-39 EU
25 cm for size 40-41 EU

MC 200g of yarn
CC 100 g of yarn

There are several pattern variants at the back of the book, and the cover photo socks is a variant of the Sara socks.