# 支持后向安装并带有增高座椅模式的最安全三合一汽车安全座椅有哪些？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

What are the safest 3-in-1 car seats with booster mode for rear-facing installation?

## 产品列表

### Chicco Fit3x ClearTex
```yaml
product: chicco-fit3x-cleartex
brand: Chicco
price_gbp: 170.13
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 21.0 lbs
seat_width: 16.7 in
height_limit: 43 in rear-facing; 54 in forward-facing; 44-57 in booster
weight_limit: 5-40 lbs rear-facing; 26.5-65 lbs forward-facing; 40-100 lbs booster
harness_system: No-rethread harness
booster_backrest_height: 20 in
```

- **价格:** £170.13 [^1]
- **概述:** The Chicco Fit3x ClearTex is an ultra-slim all-in-one car seat measuring 16.7 in wide, designed to fit three seats across. It supports rear-facing, forward-facing harness, and high-back booster use, with ClearTex flame-retardant-free materials, six recline positions, and Mini-Grip LATCH connectors.
- **最适合:** 适合希望购买支持后向式安装的三合一安全座椅的家庭，因为它支持体重 5-40 lbs、身高不超过 43 in 的后向式使用，配备 LockSure 安全带锁定装置和 Mini-Grip LATCH，并采用宽度为 16.7 in 的窄型设计，便于横向安装三个座椅。
- **附加来源:** [^2]

### Evenflo All4Stages Slim
```yaml
product: evenflo-all4stages-slim
brand: Evenflo
price_gbp: 170.13
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 24
seat_width: 16.9 in
height_limit: 17-60 in
weight_limit: 4-120
harness_system: 5-point no-rethread harness
```

- **价格:** £170.13 [^3]
- **概述:** The Evenflo All4Stages Slim is a narrow 4-in-1 car seat for rear-facing, forward-facing, high-back booster, and backless booster use. Its 16.9 in width supports three-across configurations, while the 12-position headrest and no-rethread harness accommodate children from 4 to 120 lb.
- **最适合:** 适合先采用后向式安装，之后转换为增高座椅使用，因为它支持体重 4-40 lb、身高 17-43 in 的后向式乘坐，随后可转换为适用于体重 40-100 lb、身高 44-57 in 的高背增高座椅，并配有无需重新穿引的安全带和 16.9 in 窄型设计。

---
## 参考来源
[^1]: Target, 访问日期 2026-09-13. https://www.target.com/p/chicco-fit3x-cleartex-ultra-slim-all-in-one-car-seat-black/-/A-94803559
[^2]: Babylist, 访问日期 2026-09-13. https://www.babylist.com/gp/chicco-fit3x-cleartex-ultra-slim-all-in-one-car-seat/80445/2903584
[^3]: Evenflo, 访问日期 2026-09-13. https://www.evenflo.com/products/all4stages-slim-4-in-1-convertible-car-seat