Britax Willow S vs Safety 1st OnBoard Slide DLX
The Willow S lists for $10 less.
Only the differences are shown.
| Britax Willow S | Safety 1st OnBoard Slide DLX | |
|---|---|---|
| Type | Infant car seat | Infant car seat |
| List price | $279.99Lowest price | $289.99 |
| Rear-facing weight | 4–30 lb | 4–30 lb |
| Rear-facing height | 17–32 in | Up to 32 in |
| Width | 16.9 in | Not listed |
| Head rule | when the top of child's head is at least 1 in (2.5 cm) below the top edge of head restraint | The top of your child's head MUST be at least 1 in. (2.5 cm) below the top of the car seat. |
| Base included | Yes | Yes |
| Newborn insert | Infant positioning pillow (optional): can be used with infants weighing less than 11 lbs (5 kg); harness inner loop/slot maximum 11 lbs (5 kg). | Head pillow and body pillow; must be used together; manual gives no weight limit |
| Installation | ClickTight belt install of Alpine base (lap-shoulder belt), lap belt (with base), lower anchor attachments (with base), lap-shoulder belt (without base, American belt path), lap-shoulder belt (without base, European belt guide), lap belt (without base) | rigid LATCH, vehicle belt with built-in lock-off |
| Load leg | No | No |
| Anti-rebound bar | Yes | No |
| Rotates | No | No |
| Harness heights | Not listed | 4 |
| Works with strollers | Select Britax strollers (Britax compatibility chart: https://us.britax.com/support/instructional-videos-and-user-manuals/compatibility-charts) | All Safety 1st modular and traditional strollers |
| Handle in the car | The carry handle must be adjusted to any locked position for use in a vehicle. | The carry handle MUST be upright AND locked when carrying and when installed in the vehicle. |
| Aircraft label | Certified for aircraft, per the maker | Certified for aircraft, per the maker |
| No added flame retardants | Yes | Not listed |
| Expires after | 6 years | 8 years |
Safety 1st OnBoard Slide DLX
The DLX version of the sliding-base infant carrier, priced $20 above the standard Slide.
- Sliding base
- Rigid LATCH and belt lock-off
- Fits Safety 1st strollers
- 30 lb maximum
Ask the meadow
Willow S or OnBoard Slide DLX?
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?
Willow S: certified for planes, installs without a base. OnBoard Slide DLX: certified for planes.
What does the extra $10 for the OnBoard Slide DLX get you?
No extra listed feature from the ones we track (load leg, anti-rebound bar, rotation, flame retardants). Compare fabrics, ease of install, and fit in your car. Both meet the same federal crash standard.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.