106390 Carhartt Logo Earflap Hat A go-to for the cooler months, this hat can be worn comfortably under a hard hat, hoodie, or ear protection. The soft acrylic rib knit has just the right amount of stretch and doesn't make your forehead itchy. Rib-knit stretch fabric Polyester sherpa lining Earflaps can be tucked up when not in use Carhartt label sewn on front Fabric 100% Acrylic