1. WeatherTech Cargo/Trunk Liner
WeatherTech's cargo liner for the R1S is digitally measured for a precise fit. The high sidewalls contain spills and debris, and the textured surface prevents cargo from sliding. Made from durable TPE in the USA.
Pros
- DigitalFit laser-measured
- High sidewalls
- Made in USA
- Non-slip surface
Cons
- Premium pricing
- Rigid material
2. 3D MAXpider KAGU Cargo Liner
The 3D MAXpider KAGU cargo liner uses the same XPE material as their floor mats. Lightweight, odorless, and easy to clean. Features raised edges to contain liquids and a carbon fiber texture that complements the R1S aesthetic.
Pros
- Lightweight XPE material
- Odorless, eco-friendly
- Carbon fiber look
- Easy to remove and clean
Cons
- Edges not as high as WeatherTech
- May not cover wheel wells
3. Tesmanian Cargo Liner
Tesmanian offers a budget-friendly cargo liner option for the R1S. Made from durable TPE with raised edges to protect against spills. A solid choice for R1S owners who want protection without the premium price tag.
Pros
- Budget-friendly
- TPE construction
- Decent fit
- Easy to clean
Cons
- Fit may not be as precise
- Thinner material
4. LASFIT Cargo Liner
LASFIT's cargo liner features deep grooves that channel liquids away from your cargo. The TPE material is durable and weather-resistant. Designed with a non-slip bottom to stay in place.
Pros
- Deep channel design
- Non-slip backing
- Competitive price
- Weather resistant
Cons
- Newer to the Rivian market
- Limited long-term reviews
5. Rivian OEM Cargo Liner
Rivian's factory cargo liner provides guaranteed fitment for the R1S cargo area. While primarily available through the Rivian Shop, it occasionally appears on Amazon via third-party sellers.
Pros
- Guaranteed OEM fit
- Factory quality
- Matches interior aesthetic
Cons
- Higher OEM pricing
- Limited Amazon stock
6. Universal Heavy-Duty Cargo Liners
For R1S owners on a budget, universal cargo liners from brands like Motor Trend and FH Group can be trimmed to fit. While not custom-fit, they provide basic protection at a fraction of the cost.
Pros
- Very affordable
- Widely available
- Trimmable to fit
Cons
- Not custom-fit
- May shift around
- Basic appearance
Cargo Liner Comparison Table
| Brand | Material | Fit Type | Price Range | Key Feature |
|---|---|---|---|---|
| WeatherTech | TPE | Custom | $$$ | Laser-measured, high walls |
| 3D MAXpider KAGU | XPE | Custom | $$ | Lightweight, carbon fiber look |
| Tesmanian | TPE | Custom | $$ | Budget-friendly |
| LASFIT | TPE | Custom | $$ | Deep channels |
| Rivian OEM | Rubber | OEM | $$$ | Factory fit |
| Universal | Various | Trim-to-fit | $ | Budget option |