Goggles —No more counting laps in your head at the hotel pool: These smart goggles display real–time stats, like distance swum and calories burned, right on the anti–fog lenses. Form Smart Swim Goggles, $262
Compact, lightweight finds, including resistance bands and smart swim goggles.
Foam roller —Target tight muscles after a strenuous workout (or long travel day) with this two–in–one roller. Keep the pieces together to massage your arms and legs; pull out the firmer inner roller to release tension in your back. Lululemon Double Roller Mini, $38
Resistance bands —These light, medium and heavy bands are all you need for a simple hotel–room workout. Just follow the illustrated moves printed right on them – no apps or videos required. Gaiam Restore Self–Guided Strength & Flexibility Kit, $20