Polyester, Spandex Wash cold VARIETY & VALUE - Set of 5 mens premium short sleeve t shirts in different colors and styles. Versatile athletic shirts for every mans wardrobe. Designs engineered for comfort and performance. Ideal wear for running, weight-training, bodybuilding, or even just everyday activities. FIVE STYLES - Huge variety with features such as reflective stripes for greater visibility on low-light runs, stretch-mesh underarm / shoulder/ back panels for strategic ventilation, and contrasting inserts for your personal fit. QUICK DRYING - Polyester Spandex fabric is quick-drying, ultra-soft & has a more natural feel. Moisture wicking knit that keeps you cool and dry while training. Soft to the touch and easy on the skin. Designed for excellent ventilation and breathability, dissipates heat easily. Note: Material percentages may vary depending on styles. Check label for actual content. ERGONOMIC FEATURES - Fuller cuttings for complete comfort. Athletic crew neck, stretchy short sleeves and elastic closure for optimal range of motion. Not too tight, not too loose. Free your upper body during every movement. 4-way stretch construction allows better moves in every direction. REGULAR FIT - U.S. standard sized shirts for a relaxed, easy feel. New, streamlined fit & shaped hem for enhanced coverage during every movement. Kindly go for one size larger if you prefer a loose fit. Care instruction: machine wash cold with like colors.