2025 alignment pillow for side sleepers Heartshaped contour mimics the natural leg curvature to fill the space between knees and hips, helping to maintain spine alignment for fullbody comfort during sleep. Adjustable SecureFit Straps Retractable elastic straps gently hold the pillow in place when changing positions, providing consistent leg support whether you are sidesleeping or turning. ComfortEnhancing Airflow Design Center hollow channel promotes air circulation around the legs and may help reduce nighttime warmth buildup for improved comfort. Density Memory Foam Core Responsive foam conforms to the body while offering firm support and is engineered to retain its shape over time (individual results may vary). Use scenarios Side sleeping with knee and hip alignment: Use the heartshaped contour to fill the space between knees and hips, supporting proper spinal alignment for a more comfortable night. During movement at night: The adjustable straps help keep the pillow in place so you continue to receive leg support as you shift positions without readjusting. Warmer nights or heatsensitive sleepers: The center hollow channel promotes airflow around the legs, potentially reducing heat buildup for improved comfort.