AiR SI Mattress (Medium Firm)

The AiR SI Mattress is designed with a distinctive three-dimensional cross-slit structure that supports individual daily self-maintenance. It realizes a comfortable sleep environment regardless of whether sleeping on one's side or back, providing a balanced support a sleeper needs to wake feeling invigorated after a restful night's rest. Sleek & Versatile: The AiR SI Mattress, with a trim 3.5-inch thickness, serves as a practical addition to your bedding. It works great as a standalone mattress directly on the bed base, or you can use it as a comfy mattress topper that delivers a premium layer of comfort, aiding in quicker recovery for improved performance. Weight & Dimensions Size Weight Dimensions Twin 16.3lbs 3.5 x 38 x 75 Full 19.6lbs 3.5 x 54 x 75  Queen 23.1lbs 3.5 x 60 x 80 King 28.9lbs 3.5 x 76 x 80 MaterialFilling:100% Urethane FoamCover: Shell: Top & Side 100% PolyesterMesh Part 100% PolyesterBottom 65% Polyester 35% CottonLining: 80% Rayon 10% Arami