Buying guide · 10 min read · Updated October 2, 2026

5 Best 38 Foot Travel Trailer Cover in 2026: A Practical RV Guide

Five covers for a 38-foot travel trailer compared by size range, fabric layers, vents and wind straps, so a large rig gets a cover that stays put.

By Bowen HigginsRV Editor at RV Gear Lab5 products comparedSpec-sheet researched

A 38-foot travel trailer is large enough that a cover sold for 35-38 feet fits only if your overall length, tongue included, stays under that number, and a 37-40 or 38-40 foot cover gives more margin. This list compares both size bands on fabric layers, strapping and ventilation, the points that decide whether a big cover stays on in wind. Every pick is a 9-layer design, so the choices come down to fit, weight and the details around the hem.

RV Gear Lab field notes

The Rig Fit Check

Start with the job: RVMasking Travel Trailer RV Cover leads this shortlist for Full 38 ft rigs in windy sites. Use that fit as a reference point, then compare the alternatives against your own space and workload.
Specs that separate the picks: The first details to compare are 37 to 40 ft range, 38 to 40 ft range, 35 to 38 ft range. Confirm the exact model and included components before ordering.
Trade-off to plan for: Most expensive cover on this list

Before you buy

What Matters Before You Choose a 38 Foot Travel Trailer Cover

Key buying criteria so you get the right fit the first time.

01
Overall trailer length
Cover sizes are based on total length including the hitch and ladder. A 38 ft body can run past 40 ft overall. Measure bumper to tongue tip and match the range, leaving a foot for slack.
02
Cover weight
Big covers are heavy, and lifting one over a 38 ft roof is a two-person job. Lighter fabric cuts that effort without reducing layers. Look for a weight reduction claim or a listed pound weight.
03
Hem wind strapping
Wind lifts a large cover from the base, so bottom straps and horizontal straps matter more than top layers. Five bottom straps or a belly strap hold a long hem. Count them in the contents.
04
Vent count
A sealed cover traps humidity, and six vents help air escape and relieve wind pressure. More vents help in damp regions. Read the vent count on the product page.
05
Waterproof rating
A mm rating such as 2000mm tells you how much water pressure the coating resists. Most listings only say waterproof. Look for a number when comparing covers.

Our standards

Why You Can Trust RV Gear Lab

At RV Gear Lab, we compare products based on rig fit and power or hookup compatibility, verified specifications, usability, setup requirements, weight, durability, and real-world trade-offs. We do not rank products purely on marketing claims or commission rates.

We have not personally tested every product listed. Where hands-on testing is not available, recommendations are based on verified manufacturer specifications, product documentation, use-case fit, and comparative research.

How we review RV gear →

Detailed reviews

The 5 best 38 foot travel trailer cover, explained

Best Overall · 1 of 5

RVMasking Travel Trailer RV Cover

37 to 40 ft range
Extra-long horizontal strap
3 side panels, rear zipper

Check price on Amazon

Best for: Full 38 ft rigs in windy sites

Our take

Compared with the Umbrauto, it includes four tire covers and a propane tank cover, and it adds three zippered roll-up side panels.

Why it made the shortlist

The RVMasking is a 37-40 ft cover in 9-layer non-woven fabric with 4% anti-UV composite, two over-roof straps and an extra-long horizontal strap that wraps the bottom to block wind. It has eight reinforced corner patches and three zippered roll-up side panels plus a rear zipper panel.

It suits owners with a full 38 ft rig that has tongue and ladder overhang.

What works

Horizontal strap stops wind getting under the hem
Eight corners reinforced with long patches
Tire and propane tank covers come included

Watch out for

Most expensive cover on this list
Heavy fabric is a two-person lift

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Best Lightweight · 2 of 5

Umbrauto Travel Trailer RV Cover 38-40ft: 9-Layer Waterproof Camper Cover

38 to 40 ft range
UPF50+ sun block
20% lighter fabric

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Best for: Solo installers in strong sun

Our take

Against the RVMasking, it is lighter to lift and compact to store, and it rates sun-block with a UPF number.

Why it made the shortlist

The Umbrauto is a 38-40 ft cover made from bi-component 9-layer fabric with 30% enhanced tear resistance and a UPF50+ rating. The fabric achieves a 20% weight and 25% volume reduction, with six vents and a soft-touch face that protects paint.

It suits owners who handle the cover alone and park in strong sun.

What works

20% lighter than standard heavy covers
Soft-touch fabric is gentle on paint
Six vents release moisture and wind stress

Watch out for

Second most expensive here
Listing gives less detail on strap count

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Best Setup Features · 3 of 5

Somokg Travel Trailer RV Cover 35-38 FT

35 to 38 ft range
5 bottom straps
6 vents, toss bag

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Best for: Tidy installs on 36 to 38 ft trailers

Our take

Next to the Xenjum, the toss bag and front label guide one-person setup, and it costs a bit more for that.

Why it made the shortlist

The Somokg 35-38 ft cover has 9-layer fabric with 35% enhanced tear resistance, a widened front panel for wind pulling forces, six vents and a sewn-in front label. Its kit includes five bottom straps, two extra-long straps, six gutter covers, a ladder cover and a tongue jack cover.

It suits owners of 36 to 38 ft trailers who want the full accessory pack.

What works

Widened front panel spreads wind loading
Five bottom straps plus two extra-long straps
Gutter, ladder and jack covers included

Watch out for

Tongue and ladder can push a 38 ft rig past its range

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Best Zipper Access · 4 of 5

Xenjum RV Cover 35-38 FT

35 to 38 ft range
3 zipper doors
6 breathable vents

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Best for: Buyers comparing capacity, compatibility, included components and storage needs

Our take

It matches the Somokg on strap count and costs almost the same, adding the three zipper doors in the headline.

Why it made the shortlist

The Xenjum 35-38 ft cover uses 9-layer fabric with a widened curved front panel, five bottom straps and two extra-long straps. Six vents and three zipper doors give breathability and access, and a throw bag helps secure straps underneath.

It suits owners who need to reach the door during storage.

What works

Three zipper doors for interior access
Curved front panel reduces wind pressure
Throw bag makes strap routing simpler

Watch out for

Same length limit as other 35-38 covers
Kit contents are less detailed on the listing

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Best Value · 5 of 5

VINPATIO RV Cover 35-38ft: Heavy Duty Travel Trailer Cover

35 to 38 ft range
2000mm PU waterproofing
Reflective strips front and back

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Best for: Budget buyers who want waterproof numbers

Our take

It is the lowest-priced 9-layer pick for a 35-38 ft cover, and it publishes a 2000mm waterproof rating that the Xenjum and Somokg do not.

Why it made the shortlist

The VINPATIO uses a 9-ply top with a built-in waterproof membrane, an additional UV-resistant coating, and a 100% waterproof PU coating rated 2000mm. Windproof straps, a kit of accessories and reflective strips on front and back are included.

It suits budget buyers who want weather numbers on paper.

What works

Extra UV coating on top of the fabric
Reflective strips for night visibility

Watch out for

Fewer vent details than the Somokg
Same 38 ft limit as other 35-38 covers

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Methodology

How We Built This Shortlist

Each pick was assessed across 4 criteria weighted for real-world use.

Size band

We compared stated length ranges for a 38-foot trailer with tongue and ladder.

Fabric

We compared 9-layer builds, UV claims and waterproof ratings.

Wind system

We counted straps and noted horizontal and front-panel designs.

Access and vents

We compared zippered panels, vent count and kit contents.

Decision guide

Match a 38 Foot Travel Trailer Cover to Your RV

By Overall Length

Your situation	Recommended pick	Why
Under 38 ft total, want margin	Somokg 35-38 Cover	Sized for 35 to 38 ft
38 ft body, ladder overhang	RVMasking 37-40 Cover	Covers up to 40 ft
Near 40 ft total, solo handling	Umbrauto 38-40 Cover	Lighter fabric, 38 to 40 ft
Tight budget at 35 to 38 ft	VINPATIO 35-38 Cover	Lowest price of the 9-layer picks

By Budget

Budget	Recommended pick
$230 to $250	VINPATIO 35-38 Cover or Xenjum 35-38 Cover
$240 to $270	Somokg 35-38 Cover or Umbrauto 38-40 Cover
$280 to $290	RVMasking 37-40 Cover

35-38 ft vs 37-40 ft Covers

35-38 ft

Somokg 35-38 Cover, Xenjum 35-38 Cover and VINPATIO 35-38 Cover fit tighter and cost less.

37-40 ft

RVMasking 37-40 Cover and Umbrauto 38-40 Cover give slack for tongue and ladder.

Most 38 ft owners should default to a 37-40 or 38-40 cover to be safe.

By Handling

Preference	Recommended pick
Lightest to lift	Umbrauto 38-40 Cover
Door access during storage	Xenjum 35-38 Cover
One-person strap routing	Somokg 35-38 Cover

For Windy Storage Lots Specifically

Look for

A horizontal or five-strap hem system and a widened front panel.

In this comparison

RVMasking 37-40 Cover has a belly strap, and Somokg 35-38 Cover has five bottom straps and a widened front panel.

When to Spend More

Spend more if

Spend more on RVMasking 37-40 Cover or Umbrauto 38-40 Cover for a size margin and stronger wind or weight features.

Save if

Save with VINPATIO 35-38 Cover or Xenjum 35-38 Cover when the trailer is under 38 ft overall.

FAQ

Before You Bring One Home

Will a 35-38 ft cover fit a 38 ft trailer?

Only if the overall length with tongue and ladder stays at or under 38 ft. Otherwise choose the RVMasking 37-40 or Umbrauto 38-40.

How do I install a large cover?

Use a toss bag, as in the Somokg and Xenjum kits, and a second person. Start from the front label.

Do I need vents on a cover?

Yes, in humid places. The Umbrauto, Somokg and Xenjum list six vents.

How long does a cover last?

Life depends on sun and wind. UV-rated fabrics like the Umbrauto UPF50+ resist aging longer.

Bottom line

The short version

Browse more 38 foot travel trailer cover on Amazon →

About the author

Bowen Higgins

RV Editor at RV Gear Lab

Bowen covers RV power, water systems, towing and leveling, upkeep and interior comfort, with a focus on matching gear to the rig, the hookups and the way you actually travel.

5 Best 38 Foot Travel Trailer Cover in 2026: A Practical RV Guide

Our top picks

The Rig Fit Check

What Matters Before You Choose a 38 Foot Travel Trailer Cover

Overall trailer length

Cover weight

Hem wind strapping

Vent count

Waterproof rating

Why You Can Trust RV Gear Lab

The 5 best 38 foot travel trailer cover, explained

RVMasking Travel Trailer RV Cover

Umbrauto Travel Trailer RV Cover 38-40ft: 9-Layer Waterproof Camper Cover

Somokg Travel Trailer RV Cover 35-38 FT

Xenjum RV Cover 35-38 FT

VINPATIO RV Cover 35-38ft: Heavy Duty Travel Trailer Cover

How We Built This Shortlist

Size band

Fabric

Wind system

Access and vents

Match a 38 Foot Travel Trailer Cover to Your RV

By Overall Length

By Budget

35-38 ft vs 37-40 ft Covers

By Handling

For Windy Storage Lots Specifically

When to Spend More

Before You Bring One Home

Will a 35-38 ft cover fit a 38 ft trailer?

How do I install a large cover?

Do I need vents on a cover?

How long does a cover last?

The short version

Bowen Higgins

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