The Smoothspine Alignment Pillow is a leg pillow designed to support the legs and improve spinal alignment for sleepers who rest on their side. Marketed as Smoothspine Improved Leg Pillow, it is intended to relieve hip pain and sciatic discomfort during sleep. The variant in this listing is noted as (C). Key benefits Relieves hip pain and sciatic discomfort during sleep by aligning the legs and hips. Supports side sleeping to help keep the spine in a neutral position, reducing pressure along the lower back. Improves comfort and reduces tossing and turning through targeted leg support. Designed to be a practical, non invasive aid for nightly rest and long term comfort for side sleepers. Key attributes Functionality: Leg pillow that provides alignment and support for the legs and hips, with a focus on side sleeping. Compatibility: Specifically intended for side sleepers to improve comfort and spinal alignment during sleep. Size: Variant C in this product line; exact dimensions are not listed here and should be confirmed on the product page. Material: Material details are not specified in this description; refer to the product listing for material information. Performance: Aimed at maintaining leg and hip alignment to help reduce pressure and improve sleep quality for users experiencing hip pain or sciatica. Use cases Case 1: A side sleeper with hip pain uses the pillow at night to align the knees and hips, supporting the spine and reducing discomfort. Case 2: A side sleeper experiencing sciatic discomfort uses the pillow to help maintain leg alignment, potentially easing nerverelated leg and back pain during sleep. Case 3: A traveler or hotel guest can use the leg pillow to preserve comfortable side sleeping alignment away from home, supporting consistent sleep posture. How to use Lie on your side with the pillow positioned between the knees. Adjust the pillow height and angle for a neutral spine, ensuring the hips, knees, and ankles align comfortably. Use as a regular part of your sleep routine to support leg and hip comfort throughout the night. Care and maintenance Please refer to the product listing for care instructions, including cleaning or cover care, as specifics are not provided here. Notes This description reflects the features implied by the product title and model reference (C). For exact size, material, and other specifications, consult the product listing.