This is a black flat brim hat made by Flexfit, the 210 fitted model.  The 707 area code is embroidered on the front in bright green.  The Humboldt Treelogo is embroidered on the back.  

S/M fits 6 7/8" thru 7 1/4"

L/XL fits 7 1/4" thru 7 5/8"