Adult size 5-7 UK/US men’s = EU 37.5-40 (US women’s 7-9)
Adult size 8-10 UK/US men’s = EU 42-44 (US women’s 10-12)

Also needed:
Felting needle w/handle
120cm or 1 3/8 yd felted cord (optional)
Cotton String
Ready-made felted wool or leather for the sole (optional)