Here's what other sites are saying:
When chilly winter winds come howling in, you don't want just any hat on your head. The REI Plaid Aviator will keep you warm and have you standing out in a crowd with its fun look. Polyester/wool exterior combines with acrylic tweed earflaps for a fun look. Polyester satin lining in the crown has a soft feel, and it enhances warmth and wicks moisture away from your brow. Front flap and earflaps are lined with silky soft polyester faux fur for next-to-skin comfort. REI Plaid Aviator hat features polyester-insulated earflaps that offer protection from harsh winds; secure flaps around your chin or atop your head.