The Lenovo ThinkPad X1 Yoga (1st Gen) casing combines durability and versatility. It features a lightweight carbon fiber top and a strong magnesium alloy base. Its 360-degree watchband hinge allows seamless switching between laptop, tablet, tent, and stand modes. Built to endure tough conditions, it meets MIL-STD 810G standards for shock, heat, dust, and moisture resistance. The casing includes a built-in charging slot for the ThinkPad Pen Pro, keeping the stylus secure and powered. Additionally, its Lift 'n Lock keyboard design lets keys retract in tablet mode, offering protection and comfort. This design ensures both functionality and resilience for mobile professionals.