MATERIAL: These men's shorts are made of double-layer 100% polyester fiber mesh fabric with cotton-like feel, fabric properties: excellent breathability and moisture wicking and quick drying performance. Through the technical treatment to imitate the soft handfeel of cotton, wearing polyester retains the lightweight, but also has the skin-friendly comfort similar to cotton. *Warm tips: Do not bleach, hand wash or machine wash (cold water), tumble dry on low temperature.