Barbour Wax Leather Briefcase Navy. Weather its light travel or for your laptop, the Barbour Wax Leather Briefcase is perfect for everyday or business use. The shoulder strap features webbing material that's durable and comfortable, and is fully detachable to use the carry handles as an alternative. Inside, the Wax Leather Briefcase features the iconic classic Barbour Tartan cotton lining. The details are in an antique brass style, with leather features for added class.