What's cool? NOT sweating because your neck pillow insulated like a turtleneck. Easy-Breezy Travel: Air vents prevent sweating and overheating so you can truly chill. Bye-bye "bobblehead" sleep! Raised side supports prevent lateral head movements. (Bonus: 0% risk of shoulder drooling). Check your back pain at the gate. The thin flattened pillow back aligns your spine, relaxing your back muscles and releasing all that pent-up tension. Premium memory foam core feels like napping on a cloud -giving a whole new meaning to "air travel." Sleep sweat? No problem. Moisture-wicking removable cover keeps your neck fresh and dry all journey long. Plus, it's machine-washable for easy cleaning. Adjustable front clasp = the perfect fit for every traveler. Save space for souvenirs-pillow compacts to HALF its size! The included compact case attaches to backpacks or carry-ons for easy hands-free transport.