Memory foamBrand product imageGeneric illustration · not a product photograph
The Oasis
Best for: Wyoming or Alaskan king in foam
A 10″ memory foam mattress sold in 84″ × 84″, 108″ × 108″ and a 48″ × 75″ three-quarter, among 13 sizes.
Good to know: Delarkin's Texas King is 80″ × 95″, not the 80″ × 98″ some others sell; the RV King page gives no clear inches.
- Type
- Memory foam
- Height
- 10″
- Sizes
- Made to order + custom
48 × 75 in · 10″ tall
Where to get it
- delarkin.comQueen $2,999 · checked Oct 28 Get a quote
Returns: 90 nights; switch models or return for a full refund Details
We may earn a commission if you buy. Check the price for your exact size and height on the seller’s site.
The short version
Worth a look if
- Wyoming or Alaskan king in foam
Good
- A 10″ memory foam mattress sold in 84″ × 84″, 108″ × 108″ and a 48″ × 75″ three-quarter, among 13 sizes.
- Trial: 90 nights; switch models or return for a full refund
- Height: 10″
- Sizes: Twin, Twin XL, Three Quarter (48 × 75), Full, Full XL (53 × 80), Short Queen / RV Queen (60 × 74), Queen, King, RV King, Cal King, Texas King (80 × 95), Wyoming King (84 × 84), Alaskan King (108 × 108)
Think about
- Delarkin's Texas King is 80″ × 95″, not the 80″ × 98″ some others sell; the RV King page gives no clear inches.
- No owner reviews we could verify yet
Based on the maker’s published specs and terms, and the owner reviews linked below. We haven’t slept on it. Something wrong? Tell us.
What owners say
No owner reviews we can verify yet A small set of real reviews, each linked to its source. Not a star rating.
No independent owner reviews naming this Delarkin model were found.
What people liked
No supported praise summary in the sample.
What to weigh up
No substantive concern verified in this small sample. This is a gap in the evidence, not proof of no drawbacks.
Sources & sample limits
none found Sample: 0 owner reports.
Owner comments were not searched beyond the brand site; the product pages show no reviews.
Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.
Every size it comes in
3/448 × 75 in10″Short queen · 74-inch60 × 74 in10″Alaskan king108 × 108 in10″Wyoming king84 × 84 in10″Full XL · 53-inch53 × 80 in10″Twin38 × 75 in10″Twin XL38 × 80 in10″Full · 53-inch53 × 75 in10″Queen60 × 80 in10″California king72 × 84 in10″King75 × 80 inAs listedTexas King (80 × 95)80 × 95 inAs listed
Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it. Sizes marked “as listed” don’t exactly match a standard size, so check your frame.
How it compares
Beside the most similar mattresses from other brands.
| The OasisDelarkin | OpulenceOriginal Mattress Factory | CopperFlex EssentialBrooklyn Bedding | CopperFlex EssentialRVMattress.com | |
|---|---|---|---|---|
| Type | Memory foam | Memory foam | Memory foam | Memory foam |
| Queen price | $2,999 | $2,349 | $799 | — |
| Height | 10″ | 10.5″ | 6″ or 8″ or 10″ or 12″ or 14″ | 6″ or 8″ or 10″ or 12″ or 14″ |
| Trial | 90 nights | See terms | 365 nights | 365 nights |
| Odd sizes | 5 | 1 | 16 | 16 |
| Expert reviews | None yet | None yet | None yet | 3 |
What’s inside
- 1100% cotton zip cover
- 2Two layers of gel-infused memory foam
- 3Five layers of polyurethane foam, including a convoluted layer
- Feel
- Not published
- Height
- 10″
- Custom sizes
- Yes, the maker builds to your measurements
Complete the bed
Odd sizes need everything else in the same inches. Here’s what we have for this mattress’s odd sizes.
3/4 · 48 × 75
Short queen · 74-inch · 60 × 74
Alaskan king · 108 × 108
Wyoming king · 84 × 84
Full XL · 53-inch · 53 × 80
Returns and ordering
Trial and returns
90 nights; switch models or return for a full refund
Before you order
- Measure inside the frame, not the old mattress
- Check clearance above for the height you pick
- Make sure your base supports it
- Buy sheets in the same exact size
Questions
What is it made of?
Delarkin's top all-foam model, 10″ thick: two layers of gel-infused memory foam over five layers of polyurethane foam, including a convoluted (egg-crate) layer for airflow. Hand-built in Delarkin's South Carolina factory and shipped roll-packed in a box, with a removable, washable 100% cotton zip cover. Any size or shape can be made to order.
How firm is it?
Not published That’s the maker’s description; we haven’t measured it.
Which sizes and heights can I get?
12 sizes, 10″. See every size. Confirm your exact size and height with the seller.
Are the reviews about this exact mattress?
No owner reviews we can verify yet. Owner comments were not searched beyond the brand site; the product pages show no reviews.
Where did this information come from?
- Description: two memory foam + five polyurethane layers; SC factory; 10-year; 90-day trial; Dimensions 84 × 84 × 10 in; checked 2026-10-28
- Dimensions 108 × 108 × 10 in
- Dimensions 75 × 48 × 10 in; other size pages (twin, full, full XL, short queen 74 × 60, queen, king 80 × 75, cal king 72 × 84, Texas king 95 × 80, RV king 74 × 75) checked 2026-10-28
Checked 2026-10-28. Specs and terms can change.
Similar mattresses
All mattressesMemory foamBrand product image
Memory foamBrand product image
Memory foamBrand product image
Memory foamBrand product image