Harley Motorcycle Cover Waterproof 300D Oxford 3XL - Heavy Duty
Harley Motorcycle Cover Waterproof 300D Oxford 3XL - Heavy Duty
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In this review the Harley Motorcycle Cover Waterproof 300D Oxford stands out as a heavy duty all-season protector for riders who need reliable weather resistance and a secure fit. Built from thick 300D oxford with a triple-layer coating and silver nano inner lining, the cover's single biggest reason to buy is its waterproof and sunproof performance: it resists heavy rain up to 10000MM and blocks UV exposure while fitting large cruisers and dirt bikes up to 96 in in length. The review highlights real-world durability, a snug fit, and useful security features.
Key Features
- 300D Oxford material: Thick, triple-coated fabric provides tear resistance and feels durable for long-term outdoor use.
- Waterproof performance: Double-stitched seams with waterproof tape and PU coating keep water out under heavy storms.
- Sun and UV protection: Anti-UV coating with SPF-like protection helps prevent fading and heat damage to paint and plastics.
- Windproof attachments: Elastic front and rear hems plus a fixed and removable buckle reduce lift from gusts and help the cover stay in place.
- Security and visibility: Two lock holes allow a cable or lock and four reflective strips increase visibility at night.
- Fit and size: 3XL dimensions (96 in x 37 in x 50 in) accommodate large cruisers and many 450cc dirt bikes with a loose fit.
Who It's For
The cover is well suited for owners of large cruisers and adventure bikes who store their machines outdoors or in uncovered carports and need a rugged, waterproof solution. Riders with Harley Sportster, Fat Bob, Fat Boy, Honda Africa Twin, or 450cc dirt bikes will find the 3XL size fits most standard configurations when there are no oversized windshields or large side cases.
Those who routinely carry very tall windshields, hard saddlebags, or aftermarket racks should consider sizing up for a looser fit. If a lightweight indoor-only dust cover is desired, this heavy duty waterproof option is heavier and more feature-rich than strictly necessary.
Pros & Cons
Pros
- Durable, thick 300D fabric with reinforced seams that customers report holds up through storms and regular use.
- Effective waterproofing and inner silver nano layer that keeps bikes dry and prevents scratching.
- Good wind management with adjustable buckles and elastic hems that keep the cover in place.
- Reflective strips and lock holes add safety and practical theft deterrent options.
Cons
- 3XL can be a bit loose on bikes with extra windshields or large cases, so some users will need one size up for full clearance.
- At 2.6 lb it is heavier than thin indoor covers, which may be overbuilt for those who ride only in dry climates.
Specifications
| Brand | seceles |
| Material | 300D Oxford with PU and silver nano coating |
| Water resistance | Up to 10000MM water pressure, double-stitched waterproof seams |
| Size (3XL) | 96 in length x 37 in width x 50 in height |
| Weight | 2.6 lb |
| Security features | 2 lock holes and removable buckle |
| Visibility | 4 reflective strips |
Our Verdict
The Harley Motorcycle Cover Waterproof 300D Oxford is a practical, well-made all-season choice for riders who need dependable protection from rain, sun, and wind without breaking the bank. Its robust construction, waterproof rating, and security features make it good value for owners of large cruisers and many dirt bikes; just size up if your bike has tall aftermarket accessories.
Frequently Asked Questions
Will this cover fit my 450cc dirt bike?
Yes, the 3XL size fits many 450cc dirt bikes and models like CRF450R and KTM 450 with a loose but usable fit.
Is the cover waterproof in heavy rain?
Yes, the triple-coated 300D fabric, PU coating and waterproof taped seams are rated to withstand heavy rain and high water pressure up to the specified level.
Can I lock my bike with the cover on?
Yes, the cover includes front and rear lock holes so you can thread a cable and secure the bike while covered.
Editor's Take
The 300D Oxford Harley motorcycle cover is a durable, waterproof all-season protector with reinforced seams, reflective strips and lock holes; a good value for large cruisers and many dirt bikes, but size up if you have tall windshields or large cases.

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