- Pillow case for Sea to Summit Aeros Ultralight, Premium, and Traveller pillows
- Soft poly fabric face with a nylon base; makes a pre-2019 Aeros pillow PillowLock compatible with Sea to Summit sleeping mats
- Keeps pillows clean; can be stuffed with clothing to create a makeshift pillow on fast-and-light adventures
- Hidden zipper for quick and easy removal; machine washable
- Traveller size pillow case is compatible with the Aeros Premium Traveller neck pillow; measures 2.9 x 1.9 inches packed, weighs 1.2 ounces
