Swimwear Fabric Guide
Published August 7th, 2026
This guide was developed in collaboration with Bianca Carla Sant'Anna De Faria, a Merchandise Allocation Specialist at Bikini Village. Her role involves analyzing swimwear characteristics and evaluating various criteria, including materials, comfort, compression, and construction quality. The insights and recommendations presented in this guide are based on her product expertise and extensive knowledge of the industry.
The fabric of a swimsuit directly determines its comfort, support, coverage, performance, and durability, but no single material is suitable for every situation.
The right fabric depends on what your swimsuit needs to achieve: shaping the silhouette, performing in the pool, protecting the sun, supporting the bust, withstanding frequent use, or remaining lightweight and comfortable. This guide helps you understand the options so you can make the right choice for your specific needs.
Key takeaways: What should you look for in a swimsuit fabric?
Chlorine resistance (essential for frequent pool use).
High stretch (4-way stretch) for freedom of movement and comfort.
Shape retention to maintain fit over time.
Quick-drying properties (synthetic fibers).
Opacity (GSM) to prevent transparency.
UPF protection for sun exposure.
Environmental impact (recycled fibers).
What are the Different Fabrics Used in Swimsuits?
Swimsuits are primarily made from nylon, polyester, and elastane, blended to balance stretch, comfort, and durability. These synthetic fibers dominate because they resist water well, dry quickly and allow for a precise fit.
In practice, most swimsuits are made from blends, as no single fiber meets all needs. These combinations create fabrics that stretch easily, retain their shape, and remain comfortable during movement. Swimsuit fabrics are never chosen randomly; they are engineered to meet specific needs, whether for performance, style, or longevity.
Types of Swimsuit Fabrics
The main swimsuit fabrics are synthetic fibers: nylon (polyamide), polyester, elastane (spandex/Lycra), as well as alternatives such as recycled fibers. Understanding their differences helps you choose the right fabric for a specific activity rather than searching for a universal best fabric.
Types of Swimsuit Fabrics
The main swimsuit fabrics are synthetic fibers: nylon (polyamide), polyester, elastane (spandex/Lycra), as well as alternatives such as recycled fibers. Understanding their differences helps you choose the right fabric for a specific activity rather than searching for a universal best fabric.
Nylon (polyamide)
Polyester
Spandex / Elastane / Lycra
Recycled Materials
UPF-protective fabrics
Nylon
(Polyamide)
Nylon is the softest and most flexible fabric, ideal for comfort and fashion-forward swimwear.
- Composition and manufacturing: lightweight synthetic fiber, often blended with 18–22% elastane.
- Technical characteristics: highly stretchable, soft touch, quick drying.
- Best for: beach, travel, trendy swimwear.
- Weaknesses: low chlorine resistance, loses shape with frequent pool use.
When evaluating fabrics for our assortment, nylon often stands out for its softer feel and excellent stretch. It’s a fiber that is especially valued in collections focused on comfort and style.
— Bianca Carla Sant'Anna De Faria, Merchandise Allocation Specialist
Nylon is the softest and most flexible fabric, ideal for comfort and fashion-forward swimwear.
- Composition and manufacturing: lightweight synthetic fiber, often blended with 18–22% elastane.
- Technical characteristics: highly stretchable, soft touch, quick drying.
- Best for: beach, travel, trendy swimwear.
- Weaknesses: low chlorine resistance, loses shape with frequent pool use.
When evaluating fabrics for our assortment, nylon often stands out for its softer feel and excellent stretch. It’s a fiber that is especially valued in collections focused on comfort and style.
— Bianca Carla Sant'Anna De Faria, Merchandise Allocation Specialist
