From the pattern description:
These soft-and-silky booties are as cute as a classic pair of Mary Janes. Knit in the softest cashmere blend, they make a perfect foot covering for baby.

Sizing:
Foot length: Approximately 3 inches (7.5cm)
Ankle: Approximately 4 inches (10cm) circumference with strap buttoned

Notions:
2 small buttons, about 1/4-1/2” (6-1.3cm)

Booties are knit flat and seamed.