{"product_id":"foamrush-4-inch-gel-memory-foam-mattress-replacement-travel-comfort","title":"FoamRush 4-Inch Gel Memory Foam Mattress Replacement - Travel Comfort","description":"\u003cp\u003eOur review of the FoamRush 4-Inch Gel Memory Foam Mattress Replacement finds it best suited for compact sleeping spaces where customization and cooler sleep matter most. Intended as a three quarter size replacement for RV bunks, campers, truck cots and similar tight areas, the mattress combines a ventilated, gel-infused memory layer over a high density support layer to deliver pressure relief and a medium feel. The single biggest reason to consider this piece is how easily it can be trimmed, stacked or glued to create a bespoke fit for narrow platforms where standard mattresses fail.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGel-infused memory foam:\u003c\/strong\u003e The top layer reduces heat build up so sleepers encounter a cooler surface compared with traditional memory foam.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilated design:\u003c\/strong\u003e Perforations in the memory layer help airflow and reduce trapped warmth for longer, less disrupted sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh density support layer:\u003c\/strong\u003e The bottom foam offers core support and works with the memory layer to deliver pressure relief across hips and shoulders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to customize:\u003c\/strong\u003e The foam slices cleanly with a sharp knife, serrated blade or electric cutter so you can trim edges or resize to fit unusual platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStackable and glueable:\u003c\/strong\u003e Multiple pieces can be glued or layered to create extra thickness or wider sections when a single piece is not large enough.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe FoamRush 4-Inch mattress replacement is ideal for RV and camper owners, truck sleepers and anyone who needs a mattress for a three quarter or otherwise constrained platform; its ability to be cut and layered makes it a good pick for do-it-yourself mattress repairs in boats, golf carts and vintage furniture. It also suits people who want a medium feel that balances pressure relief with underlying support and who prefer a cooler memory foam surface via gel infusion.\u003c\/p\u003e\n\u003cp\u003eShoppers who need a mattress with a cover included, a factory-trimmed designer finish, or those who demand firmer hospital-grade support should look elsewhere; some buyers report mixed impressions of firmness and durability, so anyone seeking a plug-and-play, premium wrapped mattress may prefer a different option.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustomizable size and thickness lets owners fit awkward spaces and create tailored layers.\u003c\/li\u003e\n\u003cli\u003eGel-infused ventilated memory foam helps reduce heat and improve sleep comfort.\u003c\/li\u003e\n\u003cli\u003eHigh density support core provides pressure relief and a medium comfort profile.\u003c\/li\u003e\n\u003cli\u003eUseful for many projects from camping bunks to seat cushions and packing foam.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCover is not included, so buyers must provide their own fabric or enclosure.\u003c\/li\u003e\n\u003cli\u003eCustomer feedback on firmness and long-term durability is mixed, so performance may vary by use case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eGel memory foam mattress replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e48 in x 72 in (three quarter size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayers\u003c\/td\u003e\n\u003ctd\u003eVentilated gel memory foam over high density support foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustomizable\u003c\/td\u003e\n\u003ctd\u003eCan be trimmed, stacked, glued or reshaped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe FoamRush 4-Inch Gel Memory Foam replacement is a practical, value-oriented solution for campers, RV owners and DIY restorations where a custom-fit mattress is required. Its combination of ventilated gel memory foam and a supportive base offers improved sleep comfort and cooler surface feel, and the ability to trim or layer the foam adds genuine versatility. It represents good value for those prepared to supply a cover and accept some variability in firmness and long-term wear.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this mattress come with a cover?\u003c\/strong\u003e\u003cbr\u003eNo, the product is sold without a cover; buyers should plan to purchase or sew an enclosure separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the foam be cut to fit my RV bunk?\u003c\/strong\u003e\u003cbr\u003eYes, the foam is designed to be easy to slice with a sharp knife, serrated blade or electric cutter for custom fits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the gel layer keep me cool?\u003c\/strong\u003e\u003cbr\u003eThe top layer is gel-infused and ventilated to reduce heat build up compared with traditional memory foam, improving surface cooling.\u003c\/p\u003e","brand":"FoamRush","offers":[{"title":"Default Title","offer_id":48619637571803,"sku":"B09NS45VVB","price":199.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51B8j_cy33L._AC_SL1080_35305223-e08f-4924-b5c5-7a5afe2435cd.jpg?v=1778522953","url":"https:\/\/gearmusthave.com\/products\/foamrush-4-inch-gel-memory-foam-mattress-replacement-travel-comfort","provider":"GearMustHave","version":"1.0","type":"link"}