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https://fromrebel.com/products/one4life-slim-all-in-one-convertible-car-seat-with-clicktight-raven-black-3287f4 14867495125359 One4Life Slim All-in-One Convertible Car Seat - Raven Black 265.99 https:files/c7d1f81e-2ced-404d-9738-9959695a5e5f_6456bfc3-595e-4504-9613-3d68dbe751f2.webp https:files/c7d1f81e-2ced-404d-9738-9959695a5e5f_6456bfc3-595e-4504-9613-3d68dbe751f2.webp USD InStock Britax 635314471279 Baby 639935873391 Baby & Kids 641032651119 Baby Specials 302408433813 Best and Must-Have Baby Gifts 291289268373 Big Babies 6-18 months 321966309525 Britax 634576634223 Britax x REBEL Shop 306878283925 Car Seat + Boosters 291287662741 Car Seats 636240265583 Daily Deal Drops 642536309103 Deals on Britax 306999918741 Gifts By Category 302408269973 Gifts Under $350 291283992725 Gifts Under $500 636356460911 Hot Deals 644593123695 Just Dropped Deals 640502759791 Luxe Products 640154108271 Luxury Brands for Less 645352259951 Luxury Brands for Less 645251301743 Major Markdowns 291289301141 Newborn 0-3 months 634336477551 Newborns & Little Babies (0-6 months old) 646287884655 Newness 644789829999 Non-DS 644672192879 On-The-Go Essentials 291282223253 Over $10 635358577007 Over $75 Warranty Products 636710715759 Products over $150 291288187029 Ships Nationally 291285368981 Shop All 633256247663 Shop All 306996609173 Shop By Age 291285106837 Under $500 640501547375 Up to 50% OFF 641453392239 Up to 60% OFF 291286712469 What's New 635885420911 What's New Across Baby and Home 636239970671 What's New in Baby Gear & Kids

The One4Life Slim all-in-one car seat takes your child from birth to big kid. It starts rear-facing with an extended capacity of up to 50 lbs.

 It easily converts to forward-facing toddler mode (up to 65 lbs.) and high-back belt-positioning booster mode (up to 120 lbs.) when your child is ready. With a slim outside and spacious inside, the 17.5” seat is designed to fit 3 across.*

 ClickTight helps you install with confidence, every time. The base and shell are easy to wipe down for hassle-free cleanup. The car seat cover is safe to machine wash and dry, and it’s naturally flame-retardant with no added FR chemicals.

One4Life Slim features a high-strength steel frame, a SafeCell crumple zone, and a V-shaped tether. As your child grows, you can easily adjust the 15-position no-rethread harness and headrest with one hand.


  • Dimensions (Overall): 24.5 Inches (H) x 17.5 Inches (W) x 18.5 Inches (D)

  • Weight: 28 Pounds

  • Suggested Age: Newborn and Up

  • Features: Forward or Rear Facing Seat, No-Rethread Harness, multi-position recline, Fits 3 Car Seats Across, LATCH Compatible, Machine Washable Seat Pad

  • Fits Child (Forward Facing): Height between 35 Inches and 49 Inches, Weight between 30 Pounds and 120 Pounds

  • Fits Child (Rear Facing): Height between 18 Inches and 49 Inches, Weight between 5 Pounds and 50 Pounds

  • Includes: Cup Holder, Infant Insert

  • Industry or Government Certifications: Meets FMVSS 213

  • Care & Cleaning: Machine Dryable Cover, Machine Washable Cover

449.99 Britax ADDONPOP ALL-IN-1 CAR SEATS AutoList_v4 AutoPublish_v1 BABY BRITAX CAR SEATS FRESHNESS FY2026.49 NEW ARRIVALS PERCENT_OFF_RANGE_30_50 https:files/6307c27e-e4e6-447e-b6c0-ca0b2173c646.webp https:files/15a67617-e6d3-4d06-bd69-b1c46d799cb6.webp https:files/0a14bd69-e4f6-48fb-9c99-7df34582ac0e_2b6fafbd-1585-42de-b3e7-b50916ce717c.webp https:files/b6e9bc76-5f84-4925-983a-f5342f8656ea_97c9261a-adbb-43cb-8994-168539a3bcd1.webp https:files/8ab93948-e1eb-4c21-8c38-075324db4af6_54ee1e81-0bca-498a-a55f-c4a5e5bdacb7.webp https:files/19b55dee-2f97-4674-828f-6c77bd4ded61_5657a631-6c3f-4171-bfb3-271837caec05.webp https:files/51589ad6-56d0-4efb-a680-8e43c113ae03_03885315-cf6c-44fc-bffb-6d7ab4f5d3bf.webp https:files/b0eabe06-b306-47b1-a72d-20c96c9bb72a_7c7ad572-6ecc-4733-a7e4-34518057b4d7.webp https:files/5aa8c630-fa67-4848-8744-0d24af52dae5_b78c32f6-4c0c-4196-8831-65a94dab5f3b.webp 52565452849519 Open Box 265.99 449.99 https: https://fromrebel.com/products/one4life-slim-all-in-one-convertible-car-seat-with-clicktight-raven-black-3287f4?variant=52565452849519 InStock Open Box 52565454160239 Imperfect 226.99 449.99 https: https://fromrebel.com/products/one4life-slim-all-in-one-convertible-car-seat-with-clicktight-raven-black-3287f4?variant=52565454160239 InStock Imperfect