Re: Regarding what #2 said about I have been thinking about your situation... if you want something bulletproof, grab the LinerX Floor Mats for Rivian R1T Custom Fit All-Weather. They have huge lips to catch all that Portland mud and feel way more rugged than those fancy options. Super easy to hose off and Ive had zero issues with them shifting near the pedals, which is a big safety win for me.

I have been thinking about your situation and you definitely need something that prioritizes safety and grip above everything else for those mountain trips! I ended up going with 3D MAXpider KAGU Series Floor Liners for Rivian R1T Black Custom Fit and let me tell you, the technical design is just fantastic. The bottom layer has this amazing anti-skid backing that basically grips the carpet like velcro. It is so much safer than mats that might slide around under your pedals while driving through slush. Tbh, they hold way more liquid than they look like they would because the raised walls are actually quite stiff and high. They dont look like industrial plastic, but the performance is top-tier for messy boots. If you really want to be sure about the Mt. Hood snow melt tho, you should look at the WeatherTech FloorLiner HP for Rivian R1T Front and Rear Set. These are made from a specialized TPE material that is much softer and more rubber-like than their older models, so they arent slippery when wet! The coverage is way better than the OEM Rivian mats and they are incredibly easy to pull out and hose down. They basically create a perfect reservoir for all that mud. Congrats on the new truck, you are gonna love it once you stop worrying about the floors!

I went through this exact same panic when I got mine. Honestly, forget the official ones because the coverage is just too weak for the price. I ended up getting the TuxMat Rivian R1T Full Set All-Weather Floor Mats and I have been incredibly satisfied with how they handle the mess. They basically turn the footwell into a waterproof tub. Here is why I recommend them:

• The coverage is way better than others. It hides almost all the carpet so mud doesnt stand a chance.
• They arent slippery. I was worried about that too but the material has a nice grip even with soaking wet boots.
• The clips take maybe 20 minutes to set up. Once they are in, they dont move or hit the seats.
• They fit your $200 budget perfectly. Tbh, I've tracked in tons of slush and the carpet underneath stays bone dry.

Regarding what #2 said about I have been thinking about your situation and... I really need to ask one thing before I give my full advice. Are you planning on having kids or pets in the back seat regularly, or is this truck mostly gonna be just for you and a passenger? In my experience over the years, I have seen some absolute interior disasters when people underestimate how much water a PNW winter actually brings. It totally reminds me of my cousin who bought a high-end SUV a few years back. He was so obsessed with keepin it lookin classy that he:

• Bought these thin designer liners that were basically just thick fabric
• Took his labs out for a hike near Government Camp during a heavy slush day
• Ended up with a literal swamp under his seats because the liners overtopped By the time he got home, the mud had already soaked into the wiring channels. The smell was basically permanent no matter how much Ozium he used. He ended up losing a few grand on the trade-in value just because of that damp basement scent. Its crazy how fast a new truck can go south if you dont get the prep right.