MAYFLY fly fishing cap is on our Riverside 6-Panel cap featuring a structured front and snapback. Coupled with our American Fit sizing which fits US head sizes MD – XX. A better fit on a larger range of big head sizes. Additionally, this fly fishing cap features our Comfort Snap snapback which combines the stretch of elastic with the adjustability of a snapback for even more comfort and stretch. 

• RIVERSIDE 6-PANEL features a structured front panel
• MICRO-RIPSTOP lightweight polyester moisture wicking performance fabric
• COMFORT SNAP™ rear closure couples elastic stretch with the adjustability of a snapback
• AMERICAN FIT™ sizing fits men’s head sizes MD – 2X
• ONE SIZE FITS ALL