Ergonomic knee pillow for side sleepers Why you need it: Aligns your hips, knees, and spine to reduce joint and muscle pressure, supporting a pain sleep for side sleepers. How it solves common problems: Maintains proper leg alignment to relieve hip, lower back, and sciatic pain and to improve circulation during the night. What makes it stand out: density memory foam with slow rebound contours to your body for customized, lasting comfort throughout the night. Key features and materials: Core material is density memory foam. Cover is a soft, breathable bamboo fabric that is removable and machine washable for hygiene and durability. The design is adjustable to better fit individual leg lengths and sleeping preferences. Size and compatibility: Ergonomic shape designed to fit between the knees for side sleeping, providing stable support and alignment without crowding. Care and maintenance: Remove the bamboo cover and machine wash as needed. Air dry before use. Use scenarios Side sleeping during normal nights: Place between the knees to maintain hip and spine alignment and reduce pressure. Pregnancy or maternity sleep: Eases hip and back discomfort by stabilizing leg position. Recovery from hip or lower back strain or sciatica: Supports leg alignment to help minimize aggravation and improve comfort while at rest.