Elastic Stretch Fit Hat band, not adjustable.
Closed on the back.

Inside an integrated sweatband from Under Armour HeatGear®Material.
Under Armour ® logo embroidered on the front and Armour® Under lettering on the back in the same color as the cap.

Material: 96% polyester, 4% elastane
sizes:
M / L: (head circumference 56 to 59 cm)