While a well-packed carry-on can get you far, the best checked luggage provides ample packing space for long-haul trips.

If you’re finally ready to retire your beat-up soft-sided suitcase and upgrade to the best hardside luggage, you’ve come to the right place—and you’re probably making a wise decision.

Polycarbonate is typically used for hardside luggage (also referred to as hard-case or hardshell, depending on the brand) whereas softside rolling suitcases are often made of ballistic nylon ...