Home & Garden · Baby & Toddler Car Seats
One4Life All-in-One Car Seat
Britax · sold by Modern Nursery® · $439.99–$449.99 · in stock
From the first ride home, the first road trip with the family, to daycare drop-offs and loads of family adventures, the One4Life All-in-One Car Seat by Britax will be there through every milestone of your little one's life. Designed to grow with your little one from birth to big kid feats, this car seat and booster combo is perfect for any transition. With an extended capacity of 50 lbs (49") in rear-facing mode, your little one can now ride rear-facing for longer. As they grow, the One4Life All-in-One Car Seat by Britax seamlessly transitions to forward-facing toddler mode (30–65 lbs) and…
| Option | Price | Stock | |
|---|---|---|---|
| Raven Black | $439.99 | in stock | Compare delivered price → · Checkout at Modern Nursery® |
| Mineral Grey | $439.99 | in stock | Compare delivered price → · Checkout at Modern Nursery® |
| Parchment | $439.99 | in stock | Compare delivered price → · Checkout at Modern Nursery® |
| Cool Flow Carbon | $449.99 | in stock | Compare delivered price → · Checkout at Modern Nursery® |
Prices and stock from www.modernnursery.com’s public catalog, last checked 2026-11-11 18:47 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) for participating merchants, which fulfill directly. “Checkout at the store” uses the store’s own payment and support. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:71bc4c0b-3fba-46bb-9a53-fe17b742aea8; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.