Featuring MICROERA ™ odor-controlling technology and COOLERA ™ sweat-wicking technology, this cap features a stretch snap construction for size customization. 100% polyester Precurved visor Structured Mid-profile 7-position snapback closure Perforated mid and back panels Stretch sweatband Embroidered New Era flag on left side 9SEVENTY FIT: Merges the crown of a 9FIFTY with the contour of a 9FORTY for a one-of-a-kind fit.