Valco Slim Twin S2 vs Valco Ultra Duo S2

The Slim Twin S2 is 3 lb lighter. The Slim Twin S2 lists for $100 less. The Ultra Duo S2 folds smaller (6.4 vs 7.2 cu ft).

Only the differences are shown.

Valco Baby Slim Twin S2Valco Baby Ultra Duo S2
List price$749.95Lowest price$849.95
Weight27 lbLightest30 lb
Folded size30 × 26 × 16 in7.2 cu ft31 × 27.5 × 13 in6.4 cu ftSmallest fold
Open size30 × 26 × 42 in32.5 × 27.5 × 42 in
Seat holds up to45 lb45 lb
Seat layoutSide by sideSide by side
Seats22
Each seat holds up to45 lb45 lb
Open width26 in27.5 in
Infant car seats that fit1 infant car seat (adapter sold separately)1-2 infant car seats (adapter sold separately)
Seat setupsindependent reclinereversible seats (parent- or world-facing), independent recline
Standing board or benchNoNo
From birth?Yes, seat lies flatYes, seat lies flat
Newborn add-onNear-flat recline with adjustable footrest 'built-in cocoon for newborns'; bassinet 'coming soon, sold separately'; 1 car seat via adapterNear-flat recline with adjustable footrest 'built-in cocoon for newborns'; bassinet compatible; car seat(s) via adapter
Seat size11 in wide, 18 in seat back9 in wide, 17 in seat back
Seat reclineNear-flatNear-flat
Seat faces you or the worldNoYes
One-hand foldYesYes
Fits airline overhead binNoNo
Converts to a doubleNoNo
Basket22 lb, Measures 24 x 9 x 23 in22 lb, Measures 25 x 9 x 24 in
Car seatsFits 1 infant car seat with an adapter sold separatelyFits 1 or 2 infant car seats with adapters sold separately
Car seat adaptersValco car seat adapter (sold separately)Valco car seat adapter (sold separately)
Folds with the seat onNot listedYes
Warranty1 year1 year
Handlebar height42 in42 in
Wheels and suspensionInfinity wheels with built-in suspensionInfinity wheels with built-in suspension
CanopyTwo-stage extension, UPF 50+, magnetic peek-a-boo windowThree-stage extended, UPF 50+, magnetic peek-a-boo window

Valco Slim Twin S2

A slim side-by-side double that fits through standard doorways and folds with one hand.

  • One-hand compact fold with carry strap
  • Independent near-flat recline
  • Basket holds up to 22 lb
  • Takes one infant car seat, not two
  • Car seat adapter sold separately

Valco Ultra Duo S2

A side-by-side double with reversible seats, built to fold small enough for a car trunk.

  • Seats face either direction
  • Independent near-flat recline
  • Folds with both seats attached, facing either way
  • Heavy for a double at 30 lb
  • Car seat adapters sold separately
Ask the meadow

Slim Twin S2 or Ultra Duo S2?

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

Which is lighter, the Slim Twin S2 or the Ultra Duo S2?

The Valco Slim Twin S2 weighs 27 lb, 3 lb less than the Valco Ultra Duo S2 (30 lb).

Which folds smaller, the Slim Twin S2 or the Ultra Duo S2?

The Ultra Duo S2 folds to about 6.4 cubic feet, versus 7.2 for the Slim Twin S2.

Is the Slim Twin S2 cheaper than the Ultra Duo S2?

Yes. The Slim Twin S2 lists for $749.95 and the Ultra Duo S2 for $849.95, a $100 difference. Sale prices change often.

Can both be used from birth?

Slim Twin S2: Yes, seat lies flat. Ultra Duo S2: Yes, seat lies flat.

Which one lasts longer?

Both seats hold up to 45 lb.

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