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Waterproof Protection

Bone Dry, Every Storm.

20,000mm hydrostatic head. Heat-sealed seams. Multi-layer woven shell. The waterproof rating that competitors quietly avoid printing.

Compare Fabrics
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.

Side-by-Side

Which Cover Suits You?

Ultimum Lite
Lightweight · Zip Convenience
★ Most Popular
Ultimum
All-Weather Flagship
Layers
4 woven
5+ woven
Material
Woven shell + waterproof membrane
Multi-layer woven + sealed seams
Waterproof
10,000mm — heavy rain
20,000mm — storm-grade
UV Protection
UPF 50+
UPF 50+ · thermal film
Warranty
5-Year Warranty
Lifetime Warranty
Best For
Daily cover/uncover routines
Year-round outdoor parking
Starting Price
$169.99
$229.99
★ 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
Choose Ultimum →
Ultimum Lite
Lightweight · Zip Convenience
$170
starting
  • Layers4 woven
  • MaterialWoven shell + waterproof membrane
  • Waterproof10,000mm — heavy rain
  • UV ProtectionUPF 50+
  • Warranty5-Year Warranty
View Details

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.

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.

Heat-Sealed Seams

Stitch holes are where waterproofing fails. Ultimum seams are triple-stitched, then heat-sealed with waterproof tape. No water ingress at the join.

Vapor-Permeable Membrane

Water cannot get in — but trapped moisture, condensation, and humidity escape. Your paint stays dry, your cover stays dry, no rust pocket.

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."

Marcus T. · Colorado · 2024 Tahoe
★★★★★

"I parked it outside on the Gulf Coast for a year. Salt air, sun, hurricane rain — cover looks brand new."

Janelle R. · Florida · 2019 Camry
★★★★★

"Fit is perfect on my F-150. Tight everywhere, no flap. I bought a $80 Amazon cover before — this is in a different league."

David K. · Texas · 2022 F-150 SuperCrew

Questions Owners Ask

Real Answers.

20,000mm hydrostatic head rating, tested to ISO 811. That means a 20-meter vertical column of water cannot push moisture through the fabric. Heavy rainstorm + wind-driven sideways rain: bone dry underneath. Heat-sealed seams ensure water cannot find a stitch hole to enter.

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