AliMed® Deluxe T-Foam™ (Temper Foam) Combo Cushion Three 1" layers of foam. The top layer is conforming soft pink T-Foam™ (Temper Foam). The middle layer is medium blue T-Foam™ for optimal support. The base layer is firm high-density foam, which will not bottom out even on the hottest, most humid day. Exceptional long-term comfort and weight distribution. Use on any chair with a flat seat. Cover is Navy Blue AliTex™, a two-way stretch, water-resistant fabric that "breathes" for comfort. 3" thick.