Durable and quick-drying Polyester Spandex Pongee fabric with a five-pocket design and reinforced knife pocket provides convenience and functionality. The side elastic waistband ensures a comfortable fit, while the Solar-Factor 40+ UPF protects your skin. Polyester Spandex Pongee Fabric 5 Pocket Design Side Elastic Waistband Reinforced Knife Pocket Solar-Factor 40+ UPF Quick Dry Specs Body: 93% Polyester, 7% Spandex Accent: 100% Polyester Machine wash cold with like colors, Only non-chlorine bleach when needed, Tumble dry low, Remove promptly, Cool iron if needed Fit The model is 6' 230lbs he is wearing a size large Fits true to size.