20,000mm Hydrostatic Head
Independent ISO 811 testing. 20,000mm = a 20-meter column of water cannot push through. Industry "waterproof" floor: 1,500mm. Most premium covers stop at 5,000mm.
5,000+
eBay Reviews
22 yrs
Crafting Covers
Lifetime
Ultimum Warranty
100%
Top-Rated Seller
Step 1
Find Your Perfect Fit.
6,000+ vehicles in our fit database. Year, make, model, cab style — every cut measured.
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Which Cover Suits You?
★ Most Popular
Ultimum
All-Weather Flagship
$230
starting
- Layers5+ woven
- MaterialMulti-layer woven + sealed seams
- Waterproof20,000mm — storm-grade
- UV ProtectionUPF 50+ · thermal film
- WarrantyLifetime Warranty
Ultimum Lite
Lightweight · Zip Convenience
$170
starting
- Layers4 woven
- MaterialWoven shell + waterproof membrane
- Waterproof10,000mm — heavy rain
- UV ProtectionUPF 50+
- Warranty5-Year Warranty
Most owners choose
Ultimum
Ultimum Lite handles rain. Ultimum handles storms — 20,000mm hydrostatic head + heat-sealed taped seams + Lifetime warranty. $60 difference. One stays dry for life.
The Engineering
Why Ultimum.
5,000+ eBay Reviews · 100% Top-Rated
What Owners Say.
★★★★★"Survived a 4-hour hailstorm in Denver. Two dents on the cover, zero on the car. Worth every dollar."
★★★★★"I parked it outside on the Gulf Coast for a year. Salt air, sun, hurricane rain — cover looks brand new."
★★★★★"Fit is perfect on my F-150. Tight everywhere, no flap. I bought a $80 Amazon cover before — this is in a different league."
Questions Owners Ask
Real Answers.
One cover. Done right.
Lifetime warranty. 30-day satisfaction return. Same-day shipping. Find your fit and stop second-guessing.
Free US shipping · Lifetime warranty on Ultimum · 30-day returns