Arena velo swim trunks mens the arena velo swim trunks offer a comfortable fit thanks to the internal drawstring fastening coupled with flatlock seams to reduce the chance of irritation these mens swim trunks also benefit from a stretch fabrication that ensures a close feel and all day comfort finished with arena branding and graphic accents for a simple yet stylish look mens swimwear internal drawstring fastening flatlock seams stretch fabrication arena branding graphi