Thick hat. How about using it daily as a cold weather measure? Worn several times for mountain climbing. Washed in a net on a hand wash cycle. ◽️Brand: phenix ◽️Color: Olive Green ◽️Size Tag notation…F (Image 18) Actual size…approx. 60cm Please note that there may be slight errors due to amateur measurements. ◽️Material: ▫️Main body: Cotton 55% Polyester 45% ▫️Side crown: Polyester 100% ▫️Lining: Polyester ◽️Made in China ◽️Drawcord along the brim of the hat. I wore it without using the drawcord. The elastic seems loose, although I don't know if it was originally like that (Image 10). ◽️Chin strap: Removable (Images 11-13) It will be folded and sent in simple packaging. Returns and refunds are not accepted. Please understand and agree to the above contents.