Wawoo®Baby Boys/Girls Beanie Cap Children's Knitted Winter Wool Pom Pom Hat with Ears Flap & Chin Strap + Scarf Collar Santa Elk 2-4-8T Kids is available in Scarves

Hat style: beanie
Crowns style: Dome
Fabric: acrylic(warm & soft & comfortable)

Size Reference(cm):
Size A-Hat Circle 48, Hat Depth 21, Head circumference 48-52, Advise age 1-3 years old
Size B-Hat Circle 52, Hat Depth 24, Head circumference 52-56, Advise age 4-10 years old

References:
In general, above 3 months babies' head circumference is 40-54cm, this only for reference, please measure your kids' head circumference before choose size

6 month-head circumference 44cm
1 years-head circumference 46cm (same with chest)
2 years-head circumference 48cm
5 years-head circumference 50cm
15 years-close to adult's head circumference 54-58cm

Tips:
Washing: The first time wash, please dunk it into salt water about 15-30 minites, then wring dry it generally, that will keep its' color and original shape
Machine wash easier to lead knitted wool balls, hand wash is better for wool products