Outer (shell) is made from 100% Harris Tweed wool. Crafted in traditional fabric, the Harris tweed is known for its warmth and has been hand woven in the outer hebrides. The finely tailored look of this wool has a sewn-down brim for a refined look. Includes foldable ear-flaps for extra warmth during colder days. Made to last, this rugged fabric captures the heather and hues of a scottish moor. Produced to the highest standards by a manufacturer of top quality countrywear and derby clothing. Please check our size guide against your cap you wish to purchase.