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

Material
Filling:
100% Urethane Foam
Cover:
Shell: Top & Side 100% Polyester
Mesh Part 100% Polyester
Bottom 65% Polyester 35% Cotton
Lining: 80% Rayon 10% Aramid 10% Polyester

Made in Japan