ULTRAPORTABLE PRODUCTIVITY TOOLSWith their light, slim design and long battery life, X Series laptops travel easily, whether to another meeting or another country. Yet with their legendary ThinkPad performance, you sacrifice nothing in return. World's lightest 14" business ultrabookUltrathin. Ultralight. Ultratough. For the average Ultrabook™ these attributes may sound like a contradiction. But the new X1 Carbon is far above average. It features a carbon-fiber reinforced chassis and passes durability tests in extreme environments. Plus, it delivers more than all-day battery life, includes faster, more powerful storage performance, and has innovative docking options available, including wireless.