Sealy OptiCool 2-Stage Crib Mattress
The Sealy OptiCool 2-Stage Crib Mattress weighs 11.9 lb and is 5.3 in thick, per Sealy Baby. A spring-free two-stage mattress with a firm infant core and cooling memory foam toddler side under a waterproof cotton cover.
- $149.99List price
- 5.25 inThickness
- 11.88 lbWeight
- FoamCore
How the OptiCool 2-Stage (EM822) 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 (7.5 lb to 14 lb).
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 OptiCool 2-Stage (EM822) apart
Measured against the 82 two-stage crib mattresses we compare, from each maker's published specs.
- Weight: 11.9 lbin the middle half of the 69 two-stage crib mattresses that publish it (7.5 lb to 14 lb)
Next to its closest matches
- Graco Ultra Premium 2-in-1 Crib and Toddler MattressNext to it, the OptiCool 2-Stage (EM822) is 0.8 lb lighter; 0.8 in thinner.
- Graco Dual Comfort 6-Inch Crib and Toddler MattressNext to it, the OptiCool 2-Stage (EM822) is 0.1 lb lighter; 0.8 in thinner; $10 more.
- Sealy Baby Butterfly 2-Stage Breathable Knit (EM904)Next to it, the OptiCool 2-Stage (EM822) is 2.9 lb heavier; 0.3 in thicker.
Fit check
| Size, per the maker | 51.63 × 27.25 × 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
- Under 12 lb
- Firm infant side
- Waterproof barrier
- Lifetime warranty
Where to buy the OptiCool 2-Stage (EM822)
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 OptiCool 2-Stage (EM822) | |
|---|---|
| Type | Two-stage crib mattress |
| List price | $149.99 |
| Size | 51.6 × 27.3 × 5.3 in |
| Thickness | 5.3 in |
| Weight | 11.9 lb |
| Core | Foam: firm lightweight core with cooling memory foam on toddler side; no coils |
| Two-stage | Yes, infant and toddler sides |
| Firm for infants | Yes, per the maker |
| Waterproof | Yes |
| Breathable design | Yes, per the maker |
| Certifications | GREENGUARD Gold |
| Warranty | Lifetime, workmanship and materials |
Compare the OptiCool 2-Stage (EM822) with
How each closest rival differs from the OptiCool 2-Stage (EM822), from the makers' specs.
- GracoUltra Premium 2-in-1 Crib and Toddler Mattress12.7 lb6 in thick$149.99
- 0.8 lb heavier
- 0.8 in thicker
- GracoDual Comfort 6-Inch Crib and Toddler Mattress12 lb6 in thick$139.99
- 0.1 lb heavier
- 0.8 in thicker
- $10 less
- Sealy BabyButterfly 2-Stage Breathable Knit (EM904)9 lb5 in thick$149.99
- 2.9 lb lighter
- 0.3 in thinner
- DaVinciPremium 2-Stage Breathable Crib Mattress9 lb5.3 in thick$149
- 2.9 lb lighter
- $1 less
OptiCool 2-Stage (EM822): questions answered
From Sealy Baby's published specs, last checked 2026-11-02.
Will the Sealy OptiCool 2-Stage Crib Mattress fit my crib?
The maker lists it at 51.63 × 27.25 × 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 OptiCool 2-Stage 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 OptiCool 2-Stage Crib Mattress made of?
Firm lightweight core with cooling memory foam on toddler side; no coils. The maker lists GREENGUARD Gold. It weighs 11.88 lb, which matters when you change sheets.
Is the Sealy OptiCool 2-Stage Crib Mattress waterproof or washable?
The maker says it has a waterproof surface or cover.
What's the difference between the Sealy OptiCool 2-Stage Crib Mattress and the Graco Ultra Premium 2-in-1 Crib and Toddler Mattress?
By the maker specs, the OptiCool 2-Stage (EM822) is lighter (11.88 vs 12.67 lb). 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
- Simmons KidsNaturally Crib and Toddler Mattress6 in thick$129$129.99
- Sealy Baby (Kolcraft)Soybean Foam-Core 2-Stage (EM710)5 in thick$129$129.99
- EvolurSleep Triple Stage Air Flow Crib Mattress with Natural Fiber9 lb6 in thick$129.99
- Sealy BabyButterfly 2-Stage (EM906)9 lb5 in thick$119.99
- EvolurBarbie Chasing Dreams 2-in-1 Crib and Toddler Mattress5.8 in thick
- Sealy Baby (Kolcraft)Cozy Dreams Premier 2-Stage (EM032)9 lb6 in thick$189.99
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.