This beanie is made from soft oeko-Tex certified Italian merino wool. 
It is knitted by hand and is soft, slightly silky and seamless.

EU / US sizes:

XXXL - 64 cm - 8"
XXL - ~ 62,5 cm - 7 7/8"
XL - 60 cm - 7 1/2"
L - 58 cm - 7 1/4"
M - 56 cm - 7"
S - 54 cm - 6 3/4"