Budget shoppers with a Costco membership — at $799 list (often less on promotion) it tested well above its price class. Consider the limitations: You are sensitive to off-gassing: the tested unit smelled strongly for 15 days, more than double the tested average.
Queen Price
Checked 2026-08-26
Costco membership required. Warehouse promotions regularly drop the queen to roughly $550–600, so check the current member price before deciding.
Specs & prices checked 2026-08-26 — see notes below.
Casper Cooling Select Hybrid (Costco). Memory-foam hybrid. Firmness: Medium-firm. Height: 11.75 inches (listed as 12). Price snapshot: $799.99 queen (list) (checked 2026-08-26).
Best for: Budget shoppers with a Costco membership — at $799 list (often less on promotion) it tested well above its price class.
Keep in mind: You are sensitive to off-gassing: the tested unit smelled strongly for 15 days, more than double the tested average.
Checked 2026-08-26
4.5 inches of poly foam, memory foam, and zoned transition foam over 5.75-inch pocketed coils and a foam base; fiberglass-free, made in the USA.
NapLab teardownChecked 2026-08-26
Single firmness; the retail listing and the independent tester agree on the medium-firm label. No numeric manufacturer scale is published.
Costco listingChecked 2026-08-26
The retail listing rounds to 12 inches; independent measurement of the tested unit is 11.75 inches.
NapLab measurementChecked 2026-08-26
Costco membership required. Warehouse promotions regularly drop the queen to roughly $550–600, so check the current member price before deciding.
Costco listingChecked 2026-08-26
There is no formal sleep trial. Costco’s 100% satisfaction guarantee has no published time limit on mattress returns, which in practice exceeds any branded trial.
NapLab retail-terms reviewChecked 2026-08-26
Ships compressed in a box to the member’s address; also stocked in many warehouses at in-store pricing.
Costco listingChecked 2026-08-26
Return to any warehouse or arrange a pickup for a full refund under Costco’s member policy — the terms are Costco’s, not Casper’s.
NapLab retail-terms reviewChecked 2026-08-26
Shorter than the lifetime terms common among DTC rivals; claims run through the Costco purchase channel. Read the written warranty for coverage thresholds.
NapLab retail-terms review4.5 inches of poly foam, memory foam, and zoned transition foam over 5.75-inch pocketed coils and a foam base; fiberglass-free, made in the USA.
Size dimensions are from the catalog snapshot checked 2026-08-26. Queen pricing follows the sourced review above; other size prices have not been verified for this version.
| Size | Dimensions | Price |
|---|---|---|
| Queen | 60" x 80" | $799.99 |
$799.99 queen (list). Checked 2026-08-26; prices and promotions can change.
Budget shoppers with a Costco membership — at $799 list (often less on promotion) it tested well above its price class.
Costco satisfaction guarantee. Free returns through Costco. Return to any warehouse or arrange a pickup for a full refund under Costco’s member policy — the terms are Costco’s, not Casper’s.
10-year limited warranty. Shorter than the lifetime terms common among DTC rivals; claims run through the Costco purchase channel. Read the written warranty for coverage thresholds.
The Living Review covers long-term sagging risk, owner-reported failures, and how this model holds up at years 1, 3, and 5.
Read the Living Review
Side sleepers of most body weights — the position tested 8.5–9 across all three weight bands, the strongest fit result. Consider the limitations: You sleep on your back or stomach and weigh over 230 lb — testers found it too soft to stay supported (5.5–6/10 fit).
Queen
$699 queen (current)
Checked 2026-08-26
Higher-weight back and combination sleepers seeking a medium-firm, low-sink hybrid. Consider the limitations: You are a lighter-weight side sleeper who needs deep shoulder and hip cushioning.
Queen
$1,999 queen (list)
Checked 2026-08-25
Side sleepers of any weight — 9 to 9.5 out of 10 in every band, and the deeper memory foam is exactly what the Classic Hybrid’s lighter side sleepers were missing. Consider the limitations: You are upgrading for cooling. Temperature control measured 7/10 — identical to the Classic Hybrid — so the "2x cooling fibers" claim did not show up in the test result.
Queen
Check current price — $1,099 queen on the checked date
Checked 2026-09-20