ERGONOMIC KING TOPPER THAT STAYS IN PLACE - Dormeo’s California King mattress topper conforms to your body’s natural contour for pressure-relieving, balanced support. Our king mattress topper has an anti-slip bottom which keeps the topper in place. 3-ZONE SUPPORT - Our 3 inch mattress topper uniformly supports your head and shoulder areas while providing pressure-relieving support for hip and spine alignment. This california king mattress topper is perfect for side, back, and stomach sleepers. COOLING MATTRESS TOPPER - Our California King mattress pad uses Octaspring Technology that circulates cool air and allows hot, humid air to escape. This cooling mattress topper adapts to your body’s temperature for a cool comfortable rest. BREATHABLE TOPPER WITH SMART COVER - Our California King mattress is created with aero-space technology that is 8x more breathable than traditional memory foam. Its washable cover is made with hundreds of comfort pockets for optimum air circulation. Size: [Cal King (84 x72 X3 )]