ERGONOMIC 3-ZONE CONTOUR DESIGN - Cradles head and relieves shoulder pressure with distinct support zones for optimal comfort. DUAL-HEIGHT SUPPORT SYSTEM - Flip to choose your perfect fit with two distinct loft levels for support. Built-in arm tunnel allows side sleepers to rest naturally, promoting spinal alignment and reducing numbness. Cooling & breathable certified cover promotes airflow and helps regulate temperature for a comfortable sleep. Hypoallergenic cover is skin-friendly and fully machine washable for easy care. Engineered with distinct support zones to cradle your head, lift your neck, and relieve shoulder pressure. The built-in arm tunnel allows side sleepers to rest naturally, promoting spinal alignment and reducing numbness for back, side, and stomach sleepers. Includes a breathable, cool-touch pillowcase that promotes airflow and helps regulate temperature overnight. Color: As Shown Material: Nylon Package Contents: 1x pillow Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.