Gramps Hat Estructura, distribucin y control de la poblacin. The Dad Gang Trucker is built by dads, for dadsand grandpas too. This premium hat delivers the quality and durability you expect, with a comfortable, low profile fit that sits just right. Stains? No problem. A quick hand wash with cold water and soap keeps it looking fresh season after season. Whether you're heading to the backyard or the job site, this trucker hat is made to last. Fits up to size 7. 75"