Hat Attack Epic Beanie in Brown. Hat Attack Epic Beanie in Brown. 42% acrylic, 28% nylon, 30% polybutylene terephthalate. Hand wash cold. Chunky knit fabric. HATR-WA263. BAA110RE. Hat Attack became official in 1981 and has been making waves in the fashion world ever since. The high-design affordable accessories line features everything from hats to mittens scarves to clutches. A celebrity favorite, Hat Attack pieces are worn by Kristin Cavallari and featured in major fashion magazines.