Casper Original Pillow

Casper's pillow-in-pillow design is elegantly simple. The supportive inner pillow provides structure while the outer pillow adds plush comfort. The result feels like a well-made hotel pillow — supportive enough for back sleeping, soft enough for side sleeping.

The anti-clump fiber fill genuinely works. After three months of use and multiple wash cycles, the fill distributed evenly without forming the lumps that plague traditional down-alternative pillows. The low-friction fibers slide past each other smoothly.

The percale cotton cover is breathable and stays relatively cool, though it can't match purpose-built cooling pillows like Purple Harmony. For most sleepers in climate-controlled bedrooms, it's perfectly adequate.

At $89, it competes directly with Coop but without the adjustability. If you prefer a 'ready-to-go' pillow that doesn't require customization, Casper is the simpler choice. If you want to dial in your exact loft, go with Coop.