Finished measurements:
Top calf diameter (side to side - unstretched): 3.9(4.2, 4.5, 4.7)“ 10( 10.75, 11.5, 12) cm
Finished length: 16.9” (43 cm) for all sizes

Yarn used:
Feeling Good Yarn by Wool and the Gang - 3 balls

You will also need a tapestry needle for finishing.

This is a free pattern from the wool and the gang website, you just need to join their site to receive the pattern. It contains 4 sizes and has a schematic and video tutorials to help beginner knitters.