Sealy Posture Haven 2-Stage Crib Mattress vs Sealy Posture Perfect 2-Stage Hybrid Crib Mattress

The Posture Haven 2-Stage (EM444) is 1.2 lb lighter.

Only the differences are shown.

Sealy Baby (Kolcraft) Posture Haven 2-Stage (EM444)Sealy Baby (Kolcraft) Posture Perfect Hybrid 2-Stage (EM375)
TypeTwo-stage crib mattressTwo-stage crib mattress
List price$109.99$109.99
Size51.6 × 27.3 × 5.5 in51.6 × 27.3 × 5.8 in
Thickness5.5 in5.8 in
Weight13.4 lbLightest14.6 lb
CoreInnerspring: 182 posture supportive coilsInnerspring: innerspring hybrid: 150 steel coils with steel edges, cotton layer and nature-based (soy)
Coils182150
Two-stageYes, infant and toddler sidesYes, infant and toddler sides
Firm for infantsYes, per the makerYes, per the maker
WaterproofYesYes
Washable coverNoNo
CertificationsGREENGUARD GoldGREENGUARD Gold, CertiPUR-US
WarrantyLifetime, workmanship and materialsLifetime, workmanship and materials
Made inUSA (US and imported parts)Components (coils, foam topper) describe

Sealy Posture Haven 2-Stage Crib Mattress

A 182-coil two-stage mattress with a firmer infant side, a softer flip side for toddlers and a wipe-clean waterproof cover.

  • 182 coils
  • Lifetime warranty
  • Low price for a coil mattress
  • 13.4 lb
  • Wipe clean only

Sealy Posture Perfect 2-Stage Hybrid Crib Mattress

A 150-coil hybrid two-stage mattress with a firmer infant side, a softer memory foam toddler side and a wipe-clean waterproof cover.

  • Low price for a coil mattress
  • Firmer infant side
  • Lifetime warranty
  • 14.6 lb
  • Wipe clean only
Ask the meadow

Posture Haven 2-Stage (EM444) or Posture Perfect Hybrid 2-Stage (EM375)?

Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

Which is lighter?

The Sealy Posture Haven 2-Stage Crib Mattress at 13.4 lb versus 14.6 lb, per the makers.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.