1) 100% merino wool 21 interlock 2) machine washable 3) won't itch or irritate skin 4) natural stretch for a comfortable fashion hat1.Material: 100% merino wool 50%merino wool 50%polyester 50%merino wool 50% acrylic 30% merino wool 70% polyester 30% merino wool 70% acrylic2.Fabric Weight:180-260GSM MaterialConstructionWeight Fineness100% Merino Wool S/J120gsm17.5micron100% Merino Wool S/J180gsm18 ...