Trucker hats are composed of five panels, four of those panels are made out of mesh and the largest fifth panel is made with foam or cotton. Mesh provides air ventilation and makes the hat light to wear that is why mesh is a very good substitution of the hats made of cotton or of polyester.
Source: www.keyword-suggestions.com
7. How Do We Measure Our Hat Size?
Trucker hats are easily adjustable because on the back of the hat there is a plastic snap regulator which is designed in order to fit everybody. So usually these kind of hats come in one size .But we have to be very careful when choosing a hat, we must check whether it comes in sizes or is one of those with universal size, which means that it will fit sizes from 6 3/4 up to 7 5/8.
Regarding the hats with sizes there are sizes S/M (small to medium) head measurements from 21 to 22 inches and L/XL (large to extra large) head measurements from 22 to 24 inches, XXL /XXXL head measurements from 24 to 25 inches.
Source: www.burnhamhats.co.uk
