Hardside luggage is a great investment in your travel future. However, sometimes you need a little extra durability for longer trips. That's where an aluminum suitcase can come in handy.

Stefanie Waldek is a space, travel, and design journalist with expertise in aviation, meteorology, and polar regions. She was a former editor at Architectural Digest, TripAdvisor, and ArtNews.

On average, aluminum luggage is 5.1 times more expensive than hardside luggage and 4.6 times more than softside luggage.

To find rolling luggage for every kind of traveler, fellow Strategist travel writer Rachael Griffiths ... a more durable but also lightweight material; or aluminum, which is slightly heavier ...

The waterproof polycarbonate exterior has an aluminum frame and corner guards so this suitcase can withstand all the rigors of travel. There's also an ergonomic handle and frictionless wheels ...

The Rimowa Original Cabin offers a durable aluminum exterior ... The Forbes Vetted travel team has written and published dozens of luggage stories, based on rigorous research and firsthand ...

Luggage brands that make polycarbonate and aluminum suitcases include Away and ... Tips on Trips and Expert Picks Newsletter Travel tips, vacation ideas and more to make your next vacation stellar.