The inclusion of a mesh lining within men’s swimwear is a common design feature. This internal structure, often composed of netting material, provides support and helps maintain the garment’s shape during water activities. Examples of trunks incorporating this feature range from athletic styles to casual beachwear, demonstrating its widespread adoption in swimwear design.
The primary benefit lies in enhanced comfort and security. It aids in preventing chafing and provides a degree of containment, particularly during movement. Historically, this internal support system evolved to offer an alternative to wearing underwear beneath swim trunks, streamlining the swimming experience and reducing the potential for discomfort associated with added layers.