Graco SlimFit 3-in-1 vs Safety 1st EverSlim 4-in-1

Side-by-side specs from each maker.

Only the differences are shown.

Graco SlimFit 3-in-1Safety 1st EverSlim 4-in-1
TypeAll-in-oneAll-in-one
List price$229.99$229.99
Rear-facing weight5–40 lb5–40 lb
Rear-facing heightUp to 49 in19–40 in
Forward-facing weight26.5–65 lb30–65 lb
Forward-facing heightUp to 49 in34.4–49 in
Booster weight40–100 lb40–100 lb
Booster height43–57 in43.4–57 in
Seat weight19.47 lbNot listed
Width19.9 inNot listed
Head ruleRear-facing: whose head is at least 1” (2.5 cm) below the headrest adjustment handle. Forward-facing: top of child’s ears must be below top of headrest.Rear-facing: the top of your child's head MUST be at least 1 in. (2.5 cm) below the top of the car seat's headrest. Forward-facing: the top of your child's ears MUST be below the top of the car seat's headrest. Booster: the top of your child's ears should never be above the top of the booster seat's headrest. Backless: the top of your child's ears should never be above the top of the vehicle seat back or vehicle headrest.
Newborn insertInfant Head Support and Body Support (on select models) can be used ONLY for children weighing less than 20 lb (9 kg); body support must be used if shoulders are below the lowest harness setting.Head pillow and body pillow, optional, rear-facing mode only; must be used together (EverSlim manual).
InstallationLATCHLATCH rear-facing, seat belt rear-facing, LATCH forward-facing + top tether, seat belt forward-facing + top tether, booster: vehicle lap/shoulder belt
Load legNoNo
Anti-rebound barNoNo
RotatesNoNo
Harness heightsNot listed10
Recline positions45
Aircraft labelCertified for aircraft, per the makerCertified for aircraft, per the maker
Expires after10 years10 years

Graco SlimFit 3-in-1

Graco narrow all-in-one seat with rear-facing harness, forward-facing harness and highback booster modes. Graco lists model 2215455 with push-button InRight LATCH, 10 headrest positions and 4 recline positions.

  • Three modes in one seat
  • Cup holders rotate away; Graco says this makes the seat up to 10% slimmer
  • Push-button InRight LATCH

Safety 1st EverSlim 4-in-1

Four-mode Safety 1st seat with rear-facing, forward-facing and belt-positioning/backless booster modes, 5-position recline and a 10-position headrest and harness.

  • 5-position recline
  • Booster mode listed to 100 lb
  • Maker notes not all children will comfortably fit the full ranges
Ask the meadow

SlimFit 3-in-1 or EverSlim 4-in-1?

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

Which is easier to travel with?

SlimFit 3-in-1: certified for planes, 19.5 lb. EverSlim 4-in-1: certified for planes.

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