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Description
uppababy knox convertible car seat UPPAbaby Knox Convertible Car SeatAt A Glance Features The UPPAbaby Knox Convertible Car Seat has the following Quick glance features: Meet the UPPAbaby Knox, UPPAbaby's new convertible car seat. Do you have (and love) the UPPABaby Mesa Infant Car Seat? Then you will love the Knox. UPPAbaby Knox Convertible Car Seat Safety Features Koroyd technology welded tubes crumble in a collision to absorb the force and minimize the energy transferred to the child. Side Impact Pods located on the
At-A-Glance Features
The UPPAbaby Knox Convertible Car Seat has the following Quick glance features:
Meet the UPPAbaby Knox, UPPAbaby's new convertible car seat. Do you have (and love) the UPPABaby Mesa Infant Car Seat? Then you will love the Knox.
UPPAbaby Knox Convertible Car Seat Safety Features
- Koroyd® technology - welded tubes crumble in a collision to absorb the force and minimize the energy transferred to the child.
- Side Impact Pods located on the side of the car seat's shell absorb crash force in a side impact crash.
- EPP foam located strategically between the inner and outer shell absorbs collision forces.
- Multi-Directional Tether - this unique tether reduces car seat rotation in a collision which decreases stress on the head and neck. In rear-facing mode, the tether has been shown to reduce potential injury by 45%.
UPPAbaby Knox Convertible Car Seat Features
- Rear facing: 14 lbs - 45 lbs
- Forward facing: 25 lbs - 65 lbs
- Removable cup holder that can be installed on either side of the car seat.
- Removable seat base fabric.
- No-rethread harness
- 8 position headrest
- 4 recline positions
- Several fabric options available, including the naturally fire-retardant (chemical free) Jordan.
- Limited Lifetime Warranty - register the Knox within 3 months of purchase and receive a warranty good through the car seat's expiration
UPPAbaby Knox Convertible Car Seat Specifications
|
Child Weight (lbs) |
14 - 45 lbs (rear facing) 25 - 65 lbs (rear-facing) |
|
Child Standing Height (in) |
Up to 49 inches |
|
Car Seat Weight |
33 lbs (forward facing) |
|
Car Seat Dimensions |
23.8” L x 18.8” W x 27.4–32.5” H (height range reflects low and high headrest positions) |
|
Child Age |
Approximately 1-6 years old |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 478 reviews
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Product Reviews
★★★★★ 5
Most comfortable panty!
Color: (6 Pack) Neutral, Size: XX-Large
When I saw them I was skeptical about the size I should order. At 225 lbs with a blessed backside, a 1X did not seem like the way to go, so I ordered a XXL. That was definitely a good choice. They fit comfortably well with a little breathing room. Love them!
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Reviewed in the United States on May 3, 2026
★★★★★ 3
Just okay, not a fan
Color: (6 Pack) 2-black 2-beige 2-white, Size: Medium
These run a bit large and are very stretchy. They are comfortable with zero tummy/hip support. I’ll wear them in certain circumstances, but would probably not purchase again. I don’t recommend.
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Reviewed in the United States on May 22, 2026
★★★★★ 4
So comfortable!
Color: (3 Pack) Skin, Size: Large
These boyshorts are so comfortable. I'm really glad I got them. This is actually the second order I've gotten. I ordered them before & got a size larger. The seller was so kind in making the exchange. Originally, I went to return them via Amazon & was told that I couldn't exchange them & that I had to return them. After sending a note to the seller I received a very nice message back from the seller & he sent me the smaller size. I was very grateful, especially because they'd been on sale when I first purchased them & they were no longer on sale, so repurchasing them would have cost more. I highly recommend this seller. It means a lot to me to be able to work with a merchant who is customer-centered & was willing to work with me in getting the right size.
The underwear is made from the softest, silkiest fabric. Seams are heat fused, so they don't have the typical ridge where the seams are located & they don't show through your clothing. The crotch portion is a bit odd. The cotton panel goes side to side, rather than front to back. I'm sure they're designed that way because it's more efficient to make them that way, but they don't accommodate a pantiliner very well. Since pantiliners are attached front to back, you have to attach it to the fabric of the panties in front & back, rather than have it attached to the liner itself. The crotch has regular fabric on the outside & a piece of cotton on the inside. The two fabrics aren't always well matched, so sometimes the outer fabric is rumpled because it isn't flat against the cotton liner. I took off a star for that.
That said, these are the most comfortable underpants I've ever worn. This style is not designed with tummy control, just so you're aware. I didn't want tummy control because I find it uncomfortable. It conforms nicely to my bumps & bulges. LOL.
They are so smooth & soft. Clothing slides over them effortlessly. Honestly, you can barely tell that you're wearing them. They wash beautifully with no need for special treatment. I just throw these in the washer & then the dryer afterward. When you pull them out of the dryer, they beautifully smooth & wrinkle-free.
As I mentioned above, this was my second order of these. After putting on those I first purchased, I knew I wanted more & I'm glad I got them. They're so comfortable to wear & are not visible through your clothing. I'll be back for more when I need some.
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Reviewed in the United States on February 16, 2025
★★★★★ 5
Just what I was looking for
Color: (6 Pack) 2-black 2-beige 2-white, Size: XX-Large
Finally, a pair of boy shorts that fit well, have a gusseted crotch and are so comfortable. I hope they keep making these because they are great.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Buy them!
Color: (6 Pack) 2-black 2-beige 2-white, Size: Large
Better than I was expecting! Its hot and humid here, while also being windy, so wearing sundresses is necessary, but scary. Lol These cover everything and are so silky soft. They're also stretchy enough for you to not feel like you're wearing anything at all. So comfortable. 10 out of 10.
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Reviewed in the United States on May 6, 2026
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