Sealy SealyChill 3-in D Memory Foam Queen Mattress Topper in the Mattress Covers & Toppers department at Lowes.com
TEMPUR-PEDIC TEMPUR-Adapt plus Cooling 3 in. Queen Mattress Topper 11989151 - The Home Depot
Amazon.com: 2 Inch Mattress Topper Full Size, Cozary Cooling Mattress Pad Cover for Back Pain, Bed Topper with Bamboo Cover, Soft Breathable : Home & Kitchen