THIS IS THE BEST FLEXFIT PERFORMANCE HAT YOU CAN BUY. 

• LASER CUT VENTING ON THE SIDES AND BACK
•  LITE WEIGHT MOISTURE MANAGEMENT STRETCH FABRIC
• STAY-DRI PERFORMANCE SWEATBAND 
• UFORM VISOR...... MEANING YOU SET IT AT CURVED OR FLAT

THESE ARE SM/MED and L/XL!!