Valco Baby Ultra S2
The Valco Baby Ultra S2 weighs 17 lb, folds to 5.6 cu ft, and holds a child up to 45 lb, per Valco Baby. It works from birth with a bassinet sold separately. The seat faces you or the world.
- $574.95List price
- 17 lbWeight
- 5.6 cu ftFolded
- 45 lbHolds up to
How the Ultra S2 stacks up
Against the 25 mid-size strollers we track. The shaded band is where the middle half of them fall; the dot is this one.
Above the typical range for mid-size strollers (10 lb to 22 lb).
Below the typical range for mid-size strollers (20.5 lb to 22.6 lb).
Within the typical range for mid-size strollers (5.2 cu ft to 5.6 cu ft).
Below the 50 lb most mid-size strollers list.
Within the typical range for mid-size strollers ($279.99 to $799.99).
Ultra S2 next to the Ark Single
The Valco Baby Ark Single is Valco Baby's full-size stroller in the same line. Next to it, the Ultra S2 is 5 lb more basket capacity; 13.4 lb lighter; 2.3 cu ft smaller folded; 3 lb lower limit; $325 less.
What sets the Ultra S2 apart
Measured against the 25 mid-size strollers we compare, from each maker's published specs.
- Highest basket limitof the 14 mid-size strollers with it published: 33 lb
- 2nd lightestof the 25 mid-size strollers with it published: 17 lb
- Lowest seat holds up toof the 24 mid-size strollers that list it: 45 lb
- Highest basketof the 14 mid-size strollers that list it: 33 lb, Basket 16 x 10.5 x 19 in (W x H x L)
- Folded size: 5.6 cu ftin the middle half of the 16 mid-size strollers that publish it (5.2 cu ft to 5.6 cu ft)
Next to its closest matches
- UPPAbaby KonaNext to it, the Ultra S2 is 3 lb more basket capacity; 5 lb lighter; 2.3 cu ft bigger folded.
- Baby Jogger City Mini GT3Next to it, the Ultra S2 is 23 lb more basket capacity; 4.6 lb lighter; 2.3 cu ft smaller folded; has seat faces you or the world (the City Mini GT3 doesn't).
- Peg Perego City Loop ProNext to it, the Ultra S2 is 7.3 lb lighter; 5 lb lower limit; $75 less.
Ultra S2: from newborn to toddler
| Stage | What Valco Baby lists |
|---|---|
| From birth | Yes, with bassinet (sold separately) |
| Seat recline | Near-flat |
| Seat faces | You or the world (reversible) |
| Seat holds | Up to 45 lb |
| Second child | Does not convert to a double |
Limits as the maker lists them. Follow the manual for your stroller.
Does the Ultra S2 fit a carry-on size?
Folded, the Ultra S2 measures 30 × 21.5 × 15 in as listed. It is over every listed carry-on size below on at least one side.
| Airline | Listed size | Longest side | Middle side | Shortest side |
|---|---|---|---|---|
| American, Delta, Alaska, JetBlue | 22 × 14 × 9 in | 30 in: over 22 | 21.5 in: over 14 | 15 in: over 9 |
| Spirit | 22 × 18 × 10 in | 30 in: over 22 | 21.5 in: over 18 | 15 in: over 10 |
| Frontier | 24 × 16 × 10 in | 30 in: over 24 | 21.5 in: over 16 | 15 in: over 10 |
| Allegiant | 22 × 16 × 10 in | 30 in: over 22 | 21.5 in: over 16 | 15 in: over 10 |
Each side is checked against the matching side of the airline's published carry-on size, in inches as published. Bins and rules vary by plane.
Where to buy the Ultra S2
Prices and availability change. We may earn a commission from some links.
- New for 2026. Some specs may not be published yet.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Valco Baby Ultra S2 | |
|---|---|
| List price | $574.95 |
| Weight | 17 lb |
| Folded size | 30 × 21.5 × 15 in5.6 cu ft |
| Open size | 30 × 21.5 × 41.5 in |
| Seat holds up to | 45 lb |
| From birth? | Yes, with bassinet (sold separately) |
| Seat size | 12 in wide, 19 in seat back |
| Seat recline | Near-flat |
| Seat faces you or the world | Yes |
| One-hand fold | Yes |
| Converts to a double | No |
| Basket | 33 lb, Basket 16 x 10.5 x 19 in (W x H x L) |
| Car seat adapters | Valco car seat adapter (sold separately; maker: 'Car seat compatible - Yes (adapter sold separately)') |
| Folds with the seat on | Yes |
| In the box | Removable belly bar, bassinet-style cover (built-in newborn cocoon footrest) |
| Warranty | 1 year |
| Released | 2026 |
| Handlebar height | 41.5 in |
| Wheels and suspension | Standard EVA |
| Canopy | 3-stage extending scalloped canopy, UPF 50+, peek-a-boo window |
Compare the Ultra S2 with
How each closest rival differs from the Ultra S2, from the makers' specs.
- UPPAbabyKona22 lb3.3 cu ft folded$649.99
- 3 lb less basket capacity
- 5 lb heavier
- 2.3 cu ft smaller folded
- Baby JoggerCity Mini GT321.6 lb7.9 cu ft folded$479.99
- 23 lb less basket capacity
- 4.6 lb heavier
- 2.3 cu ft bigger folded
- Peg PeregoCity Loop Pro24.3 lb50 lb limit$649.99
- 7.3 lb heavier
- 5 lb higher limit
- $75 more
- JoolzHub219.4 lb3.1 cu ft folded$749
- 11 lb less basket capacity
- 2.4 lb heavier
- 2.5 cu ft smaller folded
Ultra S2: questions answered
From Valco Baby's published specs, last checked 2026-11-06.
How much does the Valco Baby Ultra S2 weigh?
The Valco Baby Ultra S2 weighs 17 lb. The lightest mid-size stroller we track is the Cybex Melio at 13 lb.
How big is the Valco Baby Ultra S2 when folded?
It folds to 30 × 21.5 × 15 in, about 5.6 cubic feet. Compare folded sizes of all mid-size strollers.
Can you use the Valco Baby Ultra S2 from birth?
Yes, with bassinet (sold separately).
What is the weight limit of the Valco Baby Ultra S2?
The seat holds a child up to 45 lb.
Can the Valco Baby Ultra S2 be converted to a double stroller?
No. For two kids, see our double strollers.
How much does the Valco Baby Ultra S2 cost?
The maker's US list price is $574.95. Sale prices change often, so check the retailer.
What's the difference between the Valco Baby Ultra S2 and the UPPAbaby Kona?
By the specs, the Ultra S2 is 5 lb lighter, and the Ultra S2 lists for $75.04 less. See the Ultra S2 and Kona side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
Where these specs come from
- valcobabyusa.com/products/ultra-s2-rachel-se
- valcobabyusa.com/collections/single-strollers
- strolleria.com/blogs/news/updates-new-products-styles-brands…
Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.