Greetings motorized tweed lovers, Goodyear welt-wishers, suspender fetishists, bowtie buffs and Members of the Loyal Order of the Pocket Square. This one is for you. For many riders, motorcycle adventuring has come to mean, almost definitionally, scrambling across hardscrabble terrain in far-off lands, riders clad neck-to-toe in armored, dust-crusted GoreTex spacesuits, their peaked helmet-visors pointing towards…