
Sealy Baby OptiCool
Score: 78/100
Delta Children Summer Breeze
Score: 84/100Rankings

The Summer Breeze Mattress provides a dual-sided, breathable design with an upcycled Cloud Core and a removable, machine-washable cover, certified GREENGUARD Gold and JPMA. At 12 lb it is heavier and lacks extensive third-party testing. Suitable for health-conscious parents wanting a long-lasting, eco-friendly mattress from birth through age 3.

The Sealy Baby OptiCool offers a lightweight, dual-sided foam design with a cooling gel toddler surface and a waterproof breathable cotton cover. Its 60-lb weight limit and all-foam construction may limit durability for larger toddlers. Best suited for families prioritizing portability and GREENGUARD-certified comfort.
| Attribute | ![]() | ![]() |
|---|---|---|
51.63 inches | 52 inchesbest | |
27.25 inches | 27.5 inchesbest | |
5.25 inches | 5.5 inchesbest | |
| ↓ lower better | 6.49 lbbest | 12 lb |
2 | 6best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Dimensions(3) | ||
Length (inches) | 51.63 inches | 52 inches |
Width (inches) | 27.25 inches | 27.5 inches |
Height (Thickness) (inches) | 5.25 inches | 5.5 inches |
Safety & Certifications(2) | ||
Certifications | GREENGUARD GOLD, CertiPUR-US | GREENGUARD Gold; JPMA; flammability; lead; phthalate; CPSIA |
Number of Certifications | 2 | 6 |
Physical Specs(3) | ||
Weight (lb) | 6.49 lb | 12 lb |
Cover Material | Breathable cotton | cotton knit |
Foam Type | Cool gel memory foam | fiber |

Products in the top-left offer the best value (high score, low price).

Professional sources note that the EM822-GTS1 earned the 2020 Cribsie Award for healthiness and is part of Sealy's leading crib mattress portfolio, underscoring its safety certifications, hypoallergenic materials, and market acceptance, though detailed performance reviews are lacking.
