| Child Fit Information | |
|---|---|
| Rear-facing Harnessed Weight | 5 - 50 lbs |
| Rear-facing Harnessed Height | Less than 49" |
| Forward-facing Harnessed Weight | 22 - 65 lbs |
| Forward-facing Harnessed Height | Less than 49" |
| Belt Positioning Booster Weight | 40 - 120 lbs |
| Belt Positioning Booster Height | 44 - 63" |
Pay in installments of $7.23 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
britax one4life black friday deal Britax One4Life ClickTight All In One Car SeatOne4Life convertible to booster car seat grows with your child for 10 yearsfrom 5 120 lbs & up to 63 tall. As the only all in one with ClickTight, its easy to install in seconds, so youll know its right. Every time. Travel with peace of mind, knowing your child is surrounded in Trusted Britax Safety and Full Body Protection.. The new One4Life Premium ClickTight All in One (Ace Black) is dressed in a chic black knit fabric with luxe camel colored vegan
One4Life convertible to booster car seat grows with your child for 10 years—from 5-120 lbs & up to 63” tall. As the only all-in-one with ClickTight, it’s easy to install in seconds, so you’ll know it’s right. Every time. Travel with peace of mind, knowing your child is surrounded in Trusted Britax Safety and Full Body Protection..
The new One4Life Premium ClickTight All-in-One (Ace Black) is dressed in a chic black knit fabric with luxe camel-colored vegan leather accents. It offers effortless maintenance with lasting mess-proof protection thanks to the exclusive combination of StayClean: stain, moisture, and odor resistant technology + SafeWash: washer/dryer friendly, naturally flame retardant with no added chemicals.
Allow for 2 week shipping time.
Features you will love:
Converts from a rear-facing infant seat (5- 50lb) to a forward-facing 5-point harness seat (22-65 lbs) to a high-back belt-positioning booster seat (40- 120lb).
10 years of use: grows with your child from 5 – 120 lbs.
ClickTight Installation. Install with confidence, every time. You’ll know it’s right in just 3 easy steps: Pinch to open. Thread & buckle. Click it closed.
15-Position, Quick-Adjust Headrest & Harness create the proper fit as your child grows.
Patented V-Shaped Tether with staged-release stitches helps slow and reduce forward movement during a crash.
High Strength Steel Frame reinforces the seat structure to help keep it sturdy and stabilized.
Quick-Push, 9-Position Recline helps you find the most comfortable fit for your child and the best fit for your vehicle.
SafeCell Technology acts as a crumple zone, absorbing crash energy to help keep it away from your child.
Easy-Read Level Indicators help you find the correct recline angle when installing the car seat.
2 Layers of Side Impact Protection: Energy-absorbing shell and foam-lined surround your child’s head, neck & torso.
Stay-Put, Soft Comfort Pads help prevent the harness from rubbing against your child’s delicate neck.
Flip-Forward Buckle Pad stays out of the way for easy boarding; made with extra padding for premium comfort.
Built-In Cooling Channels & Ventilated Mesh improve air flow to keep your child comfortable.
Color-Coded Belt Guides make it easy to route the seat belt through the correct paths for rear-facing, forward-facing, and booster mode.
Removable Cover for easy cleaning without taking off the harness.
Harness Compartment neatly stores straps and buckles within the seat while in booster mode.
Dishwasher-Safe Cupholders easily twist out for cleaning between rides.
Removable Infant Insert helps keep your tiny baby safe and comfortable under 20 lbs.
Removable Head Pillow provides additional comfort for your growing baby.
Easy-Pull Harness Adjuster lets you tighten the harness using just one hand.
Harness Holder Slots keep the harness straps out of the way while your child gets in and out of the seat.
Tether Storage keeps the tether straps organized and out of the way when not in use.
Built-In Arm Rests keep your child happy and comfortable while they ride.
5-Point Safety Harness with diamond weave webbing.
Tag-Free Headrest supports your child’s head and neck without irritation.
Product Size
| Exterior Product Dimensions | |
|---|---|
| Product Weight | 30 lbs |
| Product Dimensions (L x W x H) | 20.5" (L) x 19.5" (W) x 25" (H) |
| Headrest Fully Extended Height | 33.5" |
| Fully Reclined Depth | 30" |
| Fully Reclined and Headrest Fully Extended Depth | 35.5" |
| Interior Product Dimensions | |
|---|---|
| Seating Area Depth | 13.25" |
| Seating Area Width | 11" |
| Shoulder Width | 14" |
| Harness Slot Heights | 15 positions, 9" - 19" |
| Buckle Strap Positions | 5.5" / 6.75" / 8.75" |
| Recommendation |
|---|
| Britax strongly recommends that children should be secured with a harness system until they exceed the weight or height limits specified. |
Care
Read how to care for your car seat here
Warranty
Limited 1 year warranty information can be found here. 10 year expiration.
Video
Product Origin: Proudly designed, tested and built in the USA with US and global components for safety and quality.
About Britax
At Britax, we believe family life should be lived without limit. A world where parents and children are free to make the most of every moment together. And we think it's our responsibility to make this happen. By driving safety standards to ensure children have never been better protected on the move. By pushing boundaries in smart design to make life in motion run smoothly. By extending a helping hand – or two – and always celebrating the journey.
We've been leading the way in child safety technology for more than 70 years. Always innovating, always focusing on what's best for the child, always going beyond 'good enough'. From Europe's best-selling car seat brand, we've become one of the brands most trusted by American families since we launched here in 1996.
Since then, we've revolutionized side impact protection, transformed safe seat installation, and introduced a range of smart strollers designed around the changing needs of today's families.
Our ongoing, open-ended conversation with parents is complemented by our work with car manufacturers, government bodies, and child passenger safety experts – collaborating, advising and using our industry-leading testing facilities to continually find ways to give parents the products and the reassurance to live family life without limit.
Because we believe in helping every parent and every child find their family freedom.
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
4.2 ★★★★★
Based on 11 reviews
Sort
Product Reviews
★★★★★ 5
still the best but a big price premium
Flavor Name: Chocolate, Size: 14 Fl Oz (Pack of 12)
Still the best tasting out there. drinking these is not a chore. easy open bottle. the price is the only thing, These are great for lunch replacement where you actually look forward to drinking it. every now and then my kids will get to them. it really is like a really good chocolate milk closer to a milkshake. but yea price is a touch excessive, but this protein level is the best price per gram after i ran the numbers compared to theor other products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
★★★★★ 5
Great source of protein.
Flavor Name: Chocolate, Size: 14 Fl Oz (Pack of 12)
Great source of protein! It is not too sweet and the chocolate flavor is the best. There is not any nasty after taste, so they are easy to drink. My only complaint is how expensive they are.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 5
Great Tasting and Already to GO!!
Flavor Name: Chocolate, Size: 14 Fl Oz (Pack of 12)
As someone who’s into fitness, I was looking for a tasty protein shake that I could grab on the go, and the Core Power High Protein Milk Shakes have become my favorite. This is the chocolate flavor, 14 fl oz bottles, and they come in a case of 12. Each bottle packs 26g of protein which is perfect for recovery after a workout or even as a meal supplement if I’m in a rush. What sets Core Power apart for me is the taste and texture – the chocolate flavor is rich and creamy, not chalky or overly sweet like some other RTD shakes. It’s like drinking a chocolate milk, honestly. I also like that it’s made with real milk (ultra-filtered lowfat milk), so it contains natural high-quality protein (both whey and casein) and it also has a good amount of calcium. It’s not just a thin water-based shake; it feels more satisfying and indulgent. Despite the creaminess, it’s actually low fat and doesn’t sit heavy in my stomach. I usually chill them in the fridge and it’s a nice cold treat post-gym. They’re lactose-free (the ultra-filtering removes lactose, I believe), which is great because I’m a bit lactose sensitive and I’ve had zero issues digesting these. Each bottle also has around 170 calories and they are pretty low in added sugar compared to some other brands – plus the 26g of protein per bottle is a solid dose. I find it keeps me full for a decent amount of time. The convenience is top-notch; I keep a couple in my gym bag (they’re shelf-stable until opened) and a bunch in the fridge. The 12 pack usually lasts me a couple of weeks if I’m doing one a day after workouts. It’s also a lifesaver for those mornings I don’t have time for breakfast – I can just drink one of these and know I’ve gotten protein and some nutrients in. All in all, Core Power Chocolate is delicious and effective. It feels like a treat but is fueling my body with what it needs. I’ve tried many protein shakes and this one is by far the best tasting and easiest on the stomach. Highly recommend for athletes, gym-goers, or anyone wanting a protein boost with great taste.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
★★★★★ 4
Good taste, convenient
Flavor Name: Chocolate, Size: 14 Fl Oz (Pack of 12)
I’m not the biggest fan of protein shakes but find these to be quite good. My dietitian recommended them as a convenient option for snacks or days when I need something quick I can grab. These hit the spot on those busy meeting days and keep me energized and full til my next meal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Is this a meal replacement or a chocolate shake?
Flavor Name: Chocolate, Size: 14 Fl Oz (Pack of 12)
By far my favorite meal replacement shake! Delicious like a chocolate shake! Chock full of protein and other essential ingredients for a healthy meal. I like the vanilla one but by far chocolate is my favorite. Very smooth and can probably mix with other supplements, it goes down easy. You can also take it with you on the go!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026