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Description
britax 428 Britax Safe N Sound B-First ifixYou will love this if You are looking for the latest isofix car seat. The Britax B First ifix is their #1 isofix car seat, featuring advanced SICT, a protective shell, and a rearward facing level indicator to help with installation. A little bit more info. Protective shell The enclosed shell design provides enhanced shielding to ensure the child is contained within the protective elements of the child seat. A protective barrier between the child and
You will love this if...
You are looking for the latest isofix car seat. The Britax B-First ifix is their #1 isofix car seat, featuring advanced SICT, a protective shell, and a rearward facing level indicator to help with installation.
A little bit more info....
- Protective shell - The enclosed shell design provides enhanced shielding to ensure the child is contained within the protective elements of the child seat. A protective barrier between the child and the vehicle.
- Advanced Side Impact Cushion Technology (SICT) - Advanced SICT is a deployable safety innovation with crumple zone technology. Located on the Headrest and Torso, the unique design combines advanced safety and freedom of space.
- ISOFLEX latch connectors allow for installation to vehicles with ISOFIX low anchorages. ISOFIX installation is an alternative method to traditional seatbelt installation.
- Ventilation zones - Located in the rear interior and exterior of the seat, the zones offer improved airflow and increased comfort to your child in rearward facing.
- Features the all new Thermo5 high performance fabric which delivers the premium comfort your child deserves.
- Rearward facing level indicator - Visual level indicator designed to aid correct rearward installation angles. Full or partially visible, the level indicator offers you an optimal range during installation.
- Integrated coloured belt paths - Clear, obvious coloured visual belt paths for easier to guide seat belt installation correctly.
- Improved harness adjuster - To assist in the prevention of child access, the harness adjuster button is now lower and inset.
- Hassle free harness - The frontal easy adjust headrest can be height adjusted without uninstalling the seat.
- Flexi infant safety cushion - This cushion includes EVA composite material that provides support and protection for a small baby. Detachable wings making this cushion flexible for longer use as a seat protector or cushion pad. Remove as required.
- Extended rearward facing accommodating a child up to approximately 2-3 years.
Lower Height Marker
350mm approx. Transition Height Marker 390mm approx. Upper Height Marker 435mm approx. - Warranty - Britax Safe-n-Sound injection moulded car seats are covered by:
- 5 year warranty on seat moulding, harness and fittings;
- Fabric covers, comfort pad and padding are covered by a 2 year warranty; and
- Extend it up to 10 years by registering online with Britax
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
4.6 ★★★★★
Based on 1432 reviews
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Product Reviews
★★★★★ 5
Sensory Friendly
Size: X-Large, Color: Medium Grey
Sensory friendly. My son and I are both Autistic and finding comfortable clothing is challenging... Sweats and tshirts are our go to. These pants are an upgrade to our wardrobe- very comfortable and great for lounging at home or dressing them up with a nice shirt to go out for the day. I bought these for my son to try and he loved them! They were a little too tight, (winter weight) so I ordered two more in a bigger size. I however kept these because I love them too. The fabric is a nice and breathable with a slight give. I wore them outside yesterday in the hot AZ heat and I was comfortable and in the evening it cooled down with a rainstorm and I was happy I had these pants on. The pockets are amazing! Don’t get me started on pocket size vs phone size. My iPhone sits way deep in the front pocket and hits about thigh level… my iPhone isn’t going to fall out and that’s good peace of mind knowing my investment is safe. Overall my son and I are very happy with our new pants.
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Reviewed in the United States on June 2, 2025
★★★★★ 5
So comfy, i brought 3 after first order. Good quality
Size: Large, Color: Dark Green
I loved it, so comfy for nighttime and day time indoor wear
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Cómodos, frescos y con un estilo increíble
Size: Medium, Color: 1 White
Estos pantalones superaron mis expectativas 😍 Se ven muy bien puestos, tienen un estilo moderno pero a la vez cómodo, perfecto para el día a día o para salir.
La tela es ligera y fresca, ideal para el calor, y lo mejor es que no incomodan para nada. Se ajustan bien al cuerpo sin apretar demasiado, lo que los hace súper cómodos para usarlos por horas.
Además, la calidad se siente buena y se ven más caros de lo que realmente son. Definitivamente una excelente compra, los volvería a pedir sin pensarlo 💯
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Really nice men's long-sleeve, longline shirt
Size: Medium, Color: Wine Red
I ordered this casual crewneck shirt in Wine Red, size Medium, for my husband, and it's quite nice. The ribbed texture is not irritating to the skin, and the fabric is smooth and comfortable. In terms of fit, it is similar to a slim fit - not form-fitting, but also not too loose, so I'd say it's fairly true to size. One thing we both noticed was just how long the torso section was - quite a bit longer than most shirts. It is a longline shirt, but it is *long*. For his preference it's a bit too long, but if you're a woman in the habit of wearing your partner's clothing (Or you prefer the fit of men's clothes), this could be for you. The sleeves are an appropriate length for the size, so I wouldn't say this is necessarily suited to men who need a big & tall type of fit. Finally, the color - the wine red is a deep, rich red, and did not change in the wash.
Overall, I think this is a great addition to a men's casual wardrobe. Definitely recommend.
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Reviewed in the United States on January 13, 2026
★★★★★ 5
Nice shirt!
Size: XX-Large, Color: Wine Red
We're pretty impressed with this shirt. It fits well and looks flattering. The design is simple and it seems to be appropriate for a wide variety of casual events. Most importantly, it is comfortable to wear. The material is soft and not too heavy, making it suitable for cooler days. It has a moderate amount of stretch and is of decent quality. I wouldn't mind owning more of these shirts in different colors, and the pricing is reasonable.
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Reviewed in the United States on December 21, 2025