For a car parked outdoors, three covers get named most often in the US: Covercraft's WeatherShield HD, Coverking's Stormproof, and Purfit's OutdoorXv3. We put them side by side. OutdoorXv3 wins on fabric, thread, hold-down and fit precision — the only place it doesn't come out on top is warranty length.
Covercraft WeatherShield HD
Covercraft's own site lists WeatherShield HD as its best outdoor cover. It's woven from a 300 denier solution-dyed polyester, finished with Covercraft's EPIC by Nextec encapsulation process, and backed by a 6-year warranty — the longest of the three. Hold-down is a drawcord — a string that cinches the hem — with no buckle hardware. Seams are sewn with 70D polyester thread. The worst part: the cover itself is quite heavy, and there's no inner liner — just the outer fabric against your paint.
Coverking Stormproof
Coverking's Stormproof is custom-fit via 3D scanning, with mirror and antenna pockets built into the pattern and wax-coated thread at the seams for water resistance. It's held down with an elasticized hem plus buckles and straps, and comes with a 4-year warranty and a 30-day return window.
Purfit OutdoorXv3
OutdoorXv3 is built from 600D marine-grade, solution-dyed polyester — heavier than either competitor's fabric — waterproofed and breathable, with a soft polycotton fleece lining running the full length of the cover. It's held down by a 6-way buckle system with strong elastic cord front and back, sewn with A&E Sunstop 500 thread — a heavier, more UV-stable thread than the 70D used on WeatherShield HD. Every OutdoorXv3 is 3D-scanned and computer-cut for a precision fit on your exact car, and it can also be modified for wings, body kits, lowered stance and other mods. It's backed by a 100% fitment guarantee and ships free.
Feature comparison
| Feature | Purfit OutdoorXv3 | Covercraft WeatherShield HD | Coverking Stormproof |
|---|---|---|---|
| Fabric | 600D marine-grade, solution-dyed polyester | 300 denier solution-dyed polyester, EPIC by Nextec | Proprietary uncoated fabric |
| Water protection | Waterproofed and breathable | Repels water, breathable | Water-resistant, breathable |
| Lining | Full soft polycotton fleece lining | No inner liner | No dedicated fleece lining |
| Hold-down | 6-way buckle system, elastic cord front and back | Drawcord/string cinch, no buckles | Elasticized hem, buckles and straps |
| Thread | A&E Sunstop 500 | 70D polyester | Wax-coated thread |
| Fit method | 3D-scanned, computer-cut precision fit; modifiable for wings, body kits, lowered stance | Custom-fit to manufacturer specs | Custom-fit via 3D scanning |
| Fitment guarantee | 100% fitment guarantee | Standard returns | 30-day return |
| Warranty | 5 years | 6 years | 4 years |
| Shipping | Free | Not specified | Not specified |
FAQ
Q: What's the best outdoor car cover in the US right now?
A: OutdoorXv3. It wins on fabric weight, lining, hold-down hardware, thread quality and fit precision. The only category where it doesn't lead is warranty — Covercraft's WeatherShield HD is rated 6 years against OutdoorXv3's 5.
Q: What's the difference between a drawcord and a buckle hold-down system?
A: A drawcord cinches the hem at one point and can loosen or shift in wind. OutdoorXv3's 6-way buckle system plus elastic cord front and back holds the cover snug at multiple points, so it doesn't work loose or flap.
Q: Does thread weight actually matter on a car cover?
A: Yes — it's one of the first things to fail. OutdoorXv3 is sewn with A&E Sunstop 500, considerably heavier than the 70D polyester thread used on WeatherShield HD.
Q: Can OutdoorXv3 be fitted to a modified car?
A: Yes. Every cover is 3D-scanned and computer-cut for your exact vehicle, and can be modified for wings, body kits, a lowered stance and other mods.