Shoulder Pain Relief for Side Sleepers - Side sleeping often creates pressure at the shoulder and traps the arm under the pillow. This side sleeper pillow with arm hole opens airflow and space beneath the shoulder, easing pressure while helping you stay in a natural, comfortable position all night without numbness or stiffness. Arm Tunnel Prevents Numbness & Awkward Sleeping - The built-in arm hole guides your arm into a natural angle, improving circulation and reducing numbness that interrupts sleep. This stable position supports better neck and shoulder alignment, making side sleeping feel smoother, easier, and more comfortable. Contoured shape cradles the head and neck for steady support - A thoughtful curve keeps your head at the right height while preventing strain on your neck and upper shoulder. This pillow for neck and shoulder pain promotes a stable position that feels soft yet supportive, helping reduce morning stiffness and gives consistent comfort throughout the night. Down-alternative fill blends softness with steady support - This hypoallergenic down-alternative fiber fill offers a cloud-soft touch with enough structure to keep your shoulder and neck comfortably aligned. It avoids the collapse of traditional down, giving consistent comfort and reducing strain for side sleepers. Adult Size with Washable, Breathable Cover - Designed specifically for adult side sleepers so it is not too small or too tall. The removable pillowcase is soft, breathable, and easy to clean, helping keep your sleep surface fresh, cool, and comfortable night after night.