Sealy Cozy Rest 2-Stage Extra Firm Crib Mattress
The Sealy Cozy Rest 2-Stage Extra Firm Crib Mattress is 5.3 in thick, per Sealy Baby (Kolcraft). A 150-coil two-stage mattress with a firmer infant side, a slightly softer toddler side and a wipe-clean waterproof cover.
- $99.99List price
- 5.25 inThickness
- InnerspringCore
- Two-stageSides
How the Cozy Rest 2-Stage (EM255) stacks up
Against the 82 two-stage crib mattresses we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for two-stage crib mattresses (5 in to 6 in).
Within the typical range for two-stage crib mattresses ($89.99 to $189.99).
What sets the Cozy Rest 2-Stage (EM255) apart
Measured against the 82 two-stage crib mattresses we compare, from each maker's published specs.
Next to its closest matches
- Evolur Sleep Comfort Balance Plus Supreme 260 Coil Inner Spring Crib and Toddler MattressNext to it, the Cozy Rest 2-Stage (EM255) is 0.8 in thinner; $10 more.
- Sealy Baby (Kolcraft) Prestige Sleep 2-Stage Antibacterial (EM461)Next to it, the Cozy Rest 2-Stage (EM255) is 0.3 in thinner; $10 less.
- Sealy Baby FlexCool 2-Stage (EM443)Next to it, the Cozy Rest 2-Stage (EM255) is 0.5 in thinner; $30 less.
Fit check
| Size, per the maker | 52 × 27.5 × 5.25 in |
|---|---|
| Sides | Two: a firmer infant side and a toddler side, per the maker |
Crib types on Cribpicks that take a full-size crib mattress:
Listed features
- Low price
- Firmer infant side
- Waterproof cover and binding
Worth checking
- Wipe clean only
Where to buy the Cozy Rest 2-Stage (EM255)
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Sealy Baby (Kolcraft) Cozy Rest 2-Stage (EM255) | |
|---|---|
| Type | Two-stage crib mattress |
| List price | $99.99 |
| Size | 52 × 27.5 × 5.3 in |
| Thickness | 5.3 in |
| Core | Innerspring: 150 coils |
| Coils | 150 |
| Two-stage | Yes, infant and toddler sides |
| Firm for infants | Yes, per the maker |
| Waterproof | Yes |
| Washable cover | No |
| Certifications | GREENGUARD Gold |
| Warranty | 10 years, workmanship and materials |
| Made in | USA (US and imported parts) |
Compare the Cozy Rest 2-Stage (EM255) with
How each closest rival differs from the Cozy Rest 2-Stage (EM255), from the makers' specs.
- EvolurSleep Comfort Balance Plus Supreme 260 Coil Inner Spring Crib and Toddler Mattress10 lb6 in thick$89.99
- 0.8 in thicker
- $10 less
- Sealy Baby (Kolcraft)Prestige Sleep 2-Stage Antibacterial (EM461)12.3 lb5.5 in thick$109.99
- 0.3 in thicker
- $10 more
- Sealy BabyFlexCool 2-Stage (EM443)5.8 in thick$129$129.99
- 0.5 in thicker
- $30 more
- Sealy Baby (Kolcraft)Brilliant Nights 2-Stage (EM442)5.5 in thick$129$129.99
- 0.3 in thicker
- $30 more
Cozy Rest 2-Stage (EM255): questions answered
From Sealy Baby (Kolcraft)'s published specs, last checked 2026-11-02.
Will the Sealy Cozy Rest 2-Stage Extra Firm Crib Mattress fit my crib?
The maker lists it at 52 × 27.5 × 5.25 in, a full-size crib mattress. Check that the mattress size matches what your crib's maker specifies. Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
How does a two-stage mattress like the Sealy Cozy Rest 2-Stage Extra Firm Crib Mattress work?
One side is firmer for infants and the other is softer for toddlers. Follow the maker's instructions on when to switch sides. Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
What is the Sealy Cozy Rest 2-Stage Extra Firm Crib Mattress made of?
150 coils, with 150 coils. The maker lists GREENGUARD Gold.
Is the Sealy Cozy Rest 2-Stage Extra Firm Crib Mattress waterproof or washable?
The maker says it has a waterproof surface or cover. The cover is not removable for washing.
What's the difference between the Sealy Cozy Rest 2-Stage Extra Firm Crib Mattress and the Evolur Sleep Comfort Balance Plus Supreme 260 Coil Inner Spring Crib and Toddler Mattress?
By the maker specs, the Sleep Comfort Balance Plus Supreme 260 Coil Inner Spring Crib and Toddler Mattress lists for $10 less. See them side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More two-stage crib mattresses
- Dream On Me2 in 1 Breathable 150 Ultra Coil Inner Spring Standard Crib & Toddler Mattress11.5 lb6 in thick$79.99
- Sealy Baby (Kolcraft)Posture Haven 2-Stage (EM444)13.4 lb5.5 in thick$109.99
- Sealy Baby (Kolcraft)Celestial Cool Antibacterial 2-Stage Hybrid (EM460)14 lb5.5 in thick$109.99
- Serta (made by Delta Children)CloudCool9.7 lb5 in thick$99.99
- Sealy Baby (Kolcraft)Posture Perfect Hybrid 2-Stage (EM375)14.6 lb5.8 in thick$109.99
- Sealy Baby (Kolcraft)Everlite Airy Polyfiber 2-Stage (EM005)5 in thick$109$109.99
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.