Fast Rebound Memory Foam: The heart-shaped knee brace is made of 100% high-quality memory foam that rebounds quickly within 3-5 seconds. It effectively supports your knees and legs, reduces joint pressure, and won't flatten with use.ERGONOMIC CURVED DESIGN: Unlike traditional knee braces, our knee braces feature an ergonomic gentle curve and crescent shape to fit both men and women. Alignment pillows are ideally spaced to support and align your legs, hips, and spine. Bringing you a healthy, deep sleep throughout the night!PAIN RELIEF: This knee pillow fits perfectly between your legs and helps relieve knee, hip, lower back, calf and sciatic nerve pain and encourages proper posture when sleeping on your side. It also helps support you during pregnancy or pregnancy. Provide leg or hip support after recovery.Multiple Use Positions: Side sleepers can place the leg pillow between their knees or legs and use it to elevate their feet, knees or calves, or place it under their waist for extra support.Elastic straps and breathable pillowcase: The knee pad has straps to keep the pillow in the same position even if you toss and turn. Machine washable air-layer fabric (soft, comfortable and skin-friendly), with a hollow design in the middle, breathable and not stuffy.