The Regatta Boys Luminosity III Acrylic Knit Reflective Hat features 100% polyester fleece lining and has an acrylic knit with reflective thread detail. The most adorable thing about this hat is knitted pom pom giving a cute look to your every winter outfit. Go for this lovely boys hat and rock the winter in style., 100% acrylic knit with reflective thread., Knitted pom pom., 100% polyester fleece lining.