{"product_id":"4-in-cal-king-memory-foam-mattress-topper-dual-layer-comfort","title":"4 in Cal King Memory Foam Mattress Topper - Dual-Layer Comfort","description":"\u003cp\u003eIn this review the OLANLY 4 in California king mattress topper is judged on comfort, fit and cooling. The bottom line: this dual-layer topper is for sleepers who want to refresh a mattress without replacing it, offering a mix of pressure-relieving support and a plush surface. The combination of a 2 in gel-infused memory foam base and a 2 in diamond-stitched pillow top creates a noticeably softer, more supportive sleep surface that many will find relieves back and hip discomfort.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-layer construction:\u003c\/strong\u003e A 2 in gel memory foam base plus a 2 in plush pillow top provide both contouring support and immediate cloud-like softness for pressure relief.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling design:\u003c\/strong\u003e The diamond-stitched pillow top improves airflow and the gel-infused foam helps reduce heat buildup so sleepers stay cooler through the night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep pocket skirt:\u003c\/strong\u003e The 360 elastic deep-pocket skirt fits mattresses up to 21 in thick and keeps the topper securely in place without constant re-tucking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-sleep-position support:\u003c\/strong\u003e The adaptive memory foam cushions pressure points and helps maintain proper spine alignment for side, back or stomach sleepers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy care and setup:\u003c\/strong\u003e The topper unfolds for instant comfort and the removable cover is machine washable for straightforward maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe topper is best for people who want to refresh a California king mattress without buying a new bed, especially those who need extra pressure relief for lower back or hip pain. Couples who prefer a slightly softer surface with motion-dampening memory foam and a cooler pillow top will also appreciate it.\u003c\/p\u003e\u003cp\u003eIt is less suitable for someone who needs an extremely firm surface or who prefers a very thin, minimalist pad; shoppers seeking advanced temperature control systems or zoned firmness should consider other specialized options.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComfortable dual layers combine support and plushness for improved sleep quality and reduced morning aches.\u003c\/li\u003e\n\u003cli\u003eCooling features and gel infusion help limit heat retention compared with plain memory foam.\u003c\/li\u003e\n\u003cli\u003eDeep elastic skirt ensures a snug fit on tall mattresses up to 21 in thick so it stays in place.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThe overall loft makes the bed noticeably thicker, which may not suit those who prefer a very low-profile pad.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003e4 in memory foam mattress topper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayers\u003c\/td\u003e\n\u003ctd\u003e2 in gel memory foam + 2 in pillow top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eCalifornia king\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkirt\u003c\/td\u003e\n\u003ctd\u003e360 elastic deep-pocket, fits up to 21 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eDiamond-stitched removable pillow top, machine washable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGrey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe OLANLY 4 in California king mattress topper is a strong value for shoppers who want a significant comfort upgrade without replacing their mattress. Its dual-layer build offers effective pressure relief and a plush sleep surface while the deep-pocket skirt and washable cover add practicality, making it a smart choice for most sleepers seeking improved comfort and back support.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow thick is the topper?\u003c\/strong\u003e\u003cbr\u003eThe topper is 4 in total thickness made from a 2 in gel memory foam base and a 2 in pillow top.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit a deep mattress?\u003c\/strong\u003e\u003cbr\u003eYes, the 360 elastic deep-pocket skirt fits mattresses up to 21 in thick.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the cover washable?\u003c\/strong\u003e\u003cbr\u003eYes, the diamond-stitched pillow top cover is removable and machine washable for easy care.\u003c\/p\u003e","brand":"OLANLY","offers":[{"title":"Default Title","offer_id":48681684500699,"sku":"B0DJ4B6KWS","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71CzUKglvlL._AC_SL1500_2133b532-bc0e-41dd-bc86-bc2f8d26af93.jpg?v=1778658477","url":"https:\/\/gearmusthave.com\/products\/4-in-cal-king-memory-foam-mattress-topper-dual-layer-comfort","provider":"GearMustHave","version":"1.0","type":"link"}