Part of a 3-piece set - “A Cardigan for the Smallest Ones” which includes cardigan, hat, and socks
For the cardigan pattern, see A Cardigan for the Smallest Ones
For the sock pattern, see A Cardigan for the Smallest Ones - Socks

The hat has ear flaps and ties under the chin.

Rauma Lamullgarn = 273 yd /50g ball

Yardage is not given for the hat separately.
Combined yarn needed for cardigan, hat, and socks is 100 (100, 150)g

No measurements are given.