Breathable Cotton Cover Stay comfortably cool with our airy pillowcase that promotes ventilation and temperature control The removable, machine washable construction enables easy maintenance and lasting cleanliness Gentle Alignment Design comfortable sleep with our scientifically shaped 3 zone pillow that cradles your head, lifts your neck area, and reduces shoulder tension The built in arm space allows side sleepers to rest naturally while minimizing arm numbness for proper spinal alignment Shape Retaining Foam Interior Made with foam that keeps its supportive profile without flattening over time The responsive substance provides consistent cushioning while staying pleasantly cool throughout the night Ergonomic Sleep Solution Wake up feeling revitalized with our thoughtfully designed pillow that helps maintain proper neck spine positioning Helps alleviate tension areas and morning stiffness while preserving its form for restorative rest Reversible Thickness option Find your ideal fit with our innovative two levels design Simply turn the pillow to select the thicker side for enhanced neck cushioning or the softer side for gentle padding Works well with different positions for individualized relaxation