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Flight delays, lame hotel gyms, and jet lag are enough to kill any traveler’s exercise mojo. But, thanks to these tools, you can maintain a consistent fitness regimen—with nothing more than a carry-on. 

PowerBeats3 Wireless Earphones ($200)

Bad headphones can ruin any workout. The PowerBeats3 are designed to remain com­fortably in place while delivering exceptional sound quality without a tangle of cords.

Darn Tough Lifestyle Socks ($20)

Making a full wardrobe change in the locker room wastes precious time. That’s not an issue with Darn Tough’s Lifestyle socks, which blend work and play. The merino wool is formfitting, soft, and breathable enough for the gym, while the stylish patterns pair with slacks and dress shoes. 

Elite Surge 2.0 Jump Rope ($30)

Stash this speed rope in your brief­case and you can crank out a solid cardio workout in just ten minutes. It’s adjustable, and the beefy wire cable is durable enough for outdoor use. 

Suunto Spartan Trainer Watch ($279)

The Spartan is a high-end GPS and fitness tracker. It monitors heart rate, provides live navigation updates, and boasts a battery that lasts ten hours in training mode. (There’s a reason ultrarunner Kilian Jornet wore one while running up Mount Everest earlier this year.) And if you’re headed from the gym to the bar, the Spartan is also slick enough to wear during a night out. 

Power Systems Strength Band ($10)

Resistance bands can take most bodyweight exercises to the next level, making them an ideal tool for spontaneous workouts. They also pack up small and weigh less than a pound.

TriggerPoint Grid Mini Foam Roller ($25)

You can’t always wait until you get home to treat sore muscles. The Grid takes up minimal space and weighs only half a pound.

HydraPak Stash Bottle ($23) 

This one-liter bottle compresses down to a fourth of its size and is half the weight of the standard alternative. 

Nike Sport Pack ($85) 

Streamlined pockets and a shoe compartment mean you can keep your gym essentials together when you’re on the move. And a fashionable fold-over buckle at the top makes this bag sleek enough for the office.