Common materials include cotton, polyester, rayon, spandex, viscose, and nylon.
Common necklines paired with open-back designs include wide crew necks, scoop necks, and V-necks.
Sleeve lengths vary: many listings show short sleeves, others use three-quarter (3/4) sleeves, and some offer long sleeves.
Care instructions vary by item. Common recommendations include machine wash cold and hang to dry (avoid tumble drying); some items allow machine wash and tumble dry low; others advise machine wash and then line dry or lay flat to dry.
Some open-back shirts list performance features such as cooling technology (e.g., ACTIVCHILL), performance-knit fabrics for unrestricted movement, and V-back or back cut-outs that aid airflow and layering.