The TeraFlex premium FlexFit flat visor cap is constructed from a premium wool blend of 83% acrylic / 15% wool / 2% spandex to keep the look and feel of wool, with a stretch band. It features an athletic six panel shape, with a hard buckram for superior hat structure. A flat bill color matched undervisor and 8 row stitching maintain the stylish appearance. The spandex content provides a custom fit feel and adjusts for most small/medium head sizes 6-7/8 to 7-1/4. Heather Gray;Small/Medium;FlexFit;83% acrylic / 15% wool / 2% spandex