Leg pillow for maximum sleeping comfort Made of high-quality memory foam Creates optimal lying comfort for side-sleepers Reduces pain complaints in the knees, hips and the pelvic area The Ergolution Dunicare - Leg Pillow creates the most comfortable sleeping position for side-sleepers. The leg pillow is ergonomically shaped and made of high-quality memory foam. By placing this leg pillow between your knees, your legs will assume a natural position, aligning the hips and knees into a neutral position, decreasing pain complaints felt in the knees, hips and pelvic area.