Achieve the “Serta Comfort” sleep you desire with this 3’’ white down top featherbed with Heiq cool treatment in the cover. This down top featherbed uses a cooling technology to deliver both instant contact cooling and continuous evaporative cooling for optimal well-being day and night. It starts with a firm supportive base of small whole feathers and we top that off with a super soft layer of 600 fill power white down to give you the support and softness at same time. 240 thread count, 100% breathable, down proof cotton cover Heiq cool technology in the cover - keeps you cool while you sleep 1'' top layer is filled with premium 600 fill power white down to provide softness; 2'' base is filled with feathers to provide more support. Baffle box construction keeps the fill from shifting Rejuvenate your mattress Freshloft® process ensures that the down material is clean of dust, dirt and allergens Products certified by American down and feather council. Features: Moisture Wicking, Breathable, Hypoallergenic, Cooling Bedding Construction: Box Stitch Thread Count: 240 Bed Size: Twin Measurements: 75 Length/Inches, 39 Width/Inches Mattress Depth: Up To 24 In Deep Base Material: 100% Cotton Filling Content: 75% Duck Down, 25% Duck Feathers Care: Dry Clean Only Decor Styles: Casual, Luxury + Glam Thickness: 3 - 3 1/2 Inch Comfort Level: Moderate Protection Level: Basic Mattress Pads & Toppers Type: Featherbeds Country of Origin: Imported