Barbour Case Fair Isle Jumper In Navy Marl Case Fair Isle Jumper Willow green by Barbour Men WP Store Diamond Fair Isle Jumper Blue Fair Isle Jumper Children's Jumpers Brora Fashion Barbour Case Fair Isle Jumper Cooast Jumper Case Fair Isle Crew Navy marl by Barbour Kid Boy WP Store. This crew neck sweater is knitted with a colourful Fair Isle pattern framed by contrast ribbing at the collar, hem and cuffs. Crafted in super soft lambswool, this distinctive piece is finished with a signature flag label at the side seam.