Outdoor Cover Materials and Construction
Understand each component, then confirm the exact SKU.
Each layer has a job.
Outdoor covers are built from multiple components — outer surface, coating, inner surface and reinforcement — each contributing to how the cover performs and holds up. The exact materials and construction used in each layer vary by product and SKU. No single layer specification applies to all COSFLY covers. Check the product page for the construction details that apply to your selected cover.
Durability starts at the seams.
Seam construction and stitching at high-stress points affect how a cover holds together over time and repeated use. Where reinforced seams, double stitching or edge treatment are part of a product's construction, they are noted on the product page. Seam and stitching details vary by product. Do not assume all covers share the same seam construction. Check the product page for the details that apply to your selected cover.
Secure fit depends on the actual hardware.
Drawstrings, buckle straps, hook cords and handles are part of how a cover stays in place and is handled during installation and removal. The specific hardware included with each cover depends on the product's design and intended use. Hardware configuration varies by SKU. A drawstring on one product does not mean all products use the same fastening method. Check the product page for the exact hardware details that apply to your selected cover.
Airflow is part of the protection system.
Where ventilation is designed into a product, it helps reduce trapped air and moisture buildup under the cover during use. Ventilation design — including the presence, position and type of vents — varies by product. Not all COSFLY covers include ventilation features. Where vents are present, their position and function are specific to the product's construction and intended use. Check the product page to confirm whether ventilation is part of your selected cover and how it should be used.
Compare verified construction by series.
Construction and feature details vary by product series and SKU. The table below will be updated with verified data. Check the product page for the exact specification that applies to your selected cover.
FeatureSeries ASeries BSeries CMaterial[To be confirmed][To be confirmed][To be confirmed]Ventilation[To be confirmed][To be confirmed][To be confirmed]Fastening[To be confirmed][To be confirmed][To be confirmed]Waterproof[To be confirmed][To be confirmed][To be confirmed]UV Resistant[To be confirmed][To be confirmed][To be confirmed]
Read claims with their conditions.
What does "waterproof" mean for a cover?
Where waterproof or water-resistant performance is claimed for a specific product, it refers to the cover's ability to resist water penetration under normal outdoor conditions. It does not mean the cover is impervious to water in all conditions or at all seams. Check the product page to confirm whether this claim applies to your selected cover and under what conditions.
What does "UV resistant" mean?
Where UV resistance is part of a product's construction, it refers to the material's ability to resist degradation from sun exposure over time. UV resistance varies by product and is not a permanent or absolute property. Check the product page to confirm whether UV resistance applies to your selected cover.
What does "600D" refer to?
600D refers to the denier rating of a fabric, which describes the thickness and weight of the individual threads. A higher denier generally indicates a heavier, more durable fabric. Where 600D is listed for a specific product, it applies to that SKU only. Not all COSFLY covers use 600D fabric. Check the product page for the material specification of your selected cover.
What does "reinforced seams" mean?
Where reinforced seams are part of a product's construction, it refers to additional stitching or seam treatment at stress points to improve durability. This feature varies by product. Check the product page to confirm whether reinforced seams apply to your selected cover.
What does "elastic hem" mean?
An elastic hem is a fastening method where the base of the cover uses elastic to create a snug fit around the item being protected. Where this feature is listed, it applies to the specific SKU. Fastening methods vary by product. Check the product page for the fastening details of your selected cover.
See the Details That Apply to Your Cover.
Choose what you want to protect, then review the exact materials, construction and fit information on the product page.