Tumi Alpha Medium 15" Expandable Backpack - Black

Yes, the dedicated padded compartment is specifically sized to accommodate most standard 15-inch laptops, including the MacBook Pro series.

The material is highly water-resistant, protecting your belongings during light rain or accidental spills, but it is not fully submersible or waterproof.

Yes, its medium size typically qualifies as a personal item under most major airline carry-on policies, though it is always best to check specific dimension limits.

The bag is crafted from Tumi's signature durable ballistic nylon, known for its resistance to tears and scuffs.

Yes, like most Tumi travel gear, it includes an integrated pass-through sleeve on the back that secures the backpack to the handle of rolling luggage.

The expansion system typically adds several centimeters of depth, significantly increasing the volume of the main compartment for bulkier items.

Clear any debris or fabric caught in the zipper track and apply a small amount of paraffin wax or a graphite pencil tip to the teeth to lubricate.

Use a soft-bristled brush or a microfiber cloth lightly dampened with water to gently wipe the ballistic nylon in a circular motion.