28 x 72 3-Inch Bunk Foam RV Mattress Replacement - Medium Firm

In this review of the 28 x 72 3-in bunk foam mattress replacement, the bottom line is simple: it suits RV, camper, and truck owners who need a compact, firm, and durable sleeping surface that fits narrow bunks. The reviewer found the high density foam's 44 ILD compression provides a balance of cushioning and support so the mattress does not quickly collapse under regular use. The included cotton cover with waterproof backing and non skid bottom makes it practical for travel and messy environments while remaining easy to care for.

Key Features

• High density foam: The foam is formulated to deliver lasting support and is intended to withstand heavy traffic for years without losing firmness.
• 44 ILD compression: A medium-firm feel that resists deep sinkage while offering enough give to be comfortable for side or back sleeping on a small bunk.
• CertiPUR-US certified: The foam meets chemical and performance standards for indoor use, giving reassurance about quality and safety.
• Cotton cover with waterproof backing: The plush outer fabric is comfortable to the touch and the waterproof layer protects the inner foam from spills and moisture.
• 360 degree zipper and washable: The cover is removable via an all-around zipper for machine washing and low-temp tumble drying.
• Cut-to-order care: The foam ships compressed and roll-packed; unroll and allow time for full recovery to regain thickness and resilience.

Who It's For

This mattress is ideal for RV or travel trailer owners, truck sleepers, and boat or camper van users who need a slim 3-in replacement that fits 28 in by 72 in bunks or platforms. It also works well for futons, sleeper sofas, and custom cushions where a firm, high density insert will prevent sagging under frequent use.

People who prefer a plush, pillow-top mattress or require thick pressure relief for chronic joint pain should look elsewhere; the 3-in thickness and medium-firm 44 ILD prioritize support and durability over deep contouring softness.

Pros & Cons

Pros

• Firm, supportive feel that holds shape well over time and suits frequent use.
• CertiPUR-US certification provides confidence in material safety and quality.
• Removable cotton cover with waterproof backing and non skid bottom adds practical protection and easy cleaning.

Cons

• At 3 in thick, it offers limited deep pressure relief compared with thicker mattresses.
• Requires time to fully expand after unrolling and careful opening of the shipping box to avoid damage.

Specifications

Size	28 in x 72 in
Thickness	3 in
Firmness / Compression (ILD)	44 lb (medium firm)
Foam type	High density, CertiPUR-US certified
Cover	Plush cotton with waterproof backing, 360 degree zipper
Care	Machine wash cover; tumble dry low; do not bleach
Made in	USA

Our Verdict

The 28 x 72 3-in bunk foam mattress is a practical, value-oriented replacement for RVs and tight sleeping spaces where support and durability matter more than plush cushioning. Its CertiPUR-US foam and protective cotton cover make it a sensible choice for travel and heavy-use applications, and it represents solid value for anyone needing a compact, medium-firm mattress replacement.

Frequently Asked Questions

How long does the foam take to expand after unboxing?
The foam should be unrolled immediately and allowed time to relax; most recovery happens within 24 hours but full expansion may take a day or two.

Is the cover waterproof and washable?
Yes, the cover has a waterproof backing to protect the foam and it zips off for machine washing and low-temp tumble drying.

Will 3 in be thick enough for regular overnight sleeping?
For many users it provides adequate support on bunks and sleepers, but those needing deep pressure relief should consider a thicker option.