Men's Grayson Rib Stripe HatAdvanced thermal yarn HeatWeaver Lining Moisture Wicking Cruelty free The Grayson hats are sewn to better fit the contours of your head, maximizing insulation, and providing a smart, fashionable look. Equipped with moisture wicking properties, this hat will maximize dryness and minimize odor. Simply drop it into the washing machine for easy care. This hat is cruelty free. No animal products were used.