Obermeyers Livy Knit Hat offers superior warmth and body in the cold Its thick cable knit acrylic shell provides a robust barrier against wind and cold temperatures The full microfleece lining increases warmth while adding high performance perspiration management The pom pom adds a little extra touch of style up top 100pct supersoft acrylic knit Fully fleece lined for added warmth and comfort Pom pom detail adds playful style