Thanks to a pro-triathlete coming in second in Kona in 2013, the BOCO HATS Foam Technical Trucker has exploded on the tri and run scene. But hey don't believe us? Talk to an athlete, they actually really find these comfy and have discovered all sorts of tricks to keeping 'cool' in foam truckers.Hats details:Foam front panelsStructured front panelsBOCO wicking performance mesh internal sweatbandMesh side and back panelsAdjustable plastic snap back closureCurved billOne size fits mostHand wash or take it in the shower after your workout