Also known as a "Feed Cap", the Trucker cap has been a popular one for years. First becoming known as a promotional give away from farming and feed supply companies, they became well known as "Semi Trucker Attire" just by the association. What is important about these hats to most, is the incredible breathability when out in the heat and humidity. G.Loomis follows the same classic design, but adding in their own logo for you to proudly support. 100% Cotton Twill 100% Polyester Mesh One Size Fits Most Dark underbill to help reduce glare Mesh back, plastic snap back 6-panel construction