Specially designed to accommodate all sleepers, the SISSEL Classic Plus offers height adjustability with the removable Vario pad. It adapts to all shoulder widths, neck lengths and individual sleep preference, while the innovative built-in ventilation system -- with more than 90 ventilation channels --- provides ideal sleep temperature. A proven best-seller, our SISSL Classic Plus pillow is made of polyurethane foam which provides firmer corrective positioning and cushioning. The pillow’s unique edge design supports of your shoulder when in a lateral position, thus relieving vertebrae and intervertebral discs. Recommended for: neck/shoulder tension, tension headaches, preventing curvature of the spinal column (for side sleepers). Polyurethane foam core. Includes washable ecru velour cover. Made in Sweden.