Blackthorn Tweed Jacket Burren Blackthorn RFC Club Vaposhield Full Zip Rain Jacket by Canterbury Blackthorn Jacket Blackthorn Tweed Jacket Burren Blackthorn Picture 2. The Blackthorn Jacket by Barbour reinterprets the Harrington style with a relaxed, modern attitude. Its short silhouette and easy fit enhance a clean design, complemented by dropped sleeves and wide cuffs and hem for effortless comfort. The strap collar with snap buttons and flap pockets reflect the brands heritage roots, while the upper lining with tattersall pattern adds a refined touch. A versatile outerwear piece, designed for understated everyday elegance.