This rash guard is both perfect for no gi as well as wearing underneath a gi. Please note that all rash guards fit very true to size. • 88% recycled polyester, 12% elastane (in the EU) • 81% recycled polyester, 19% spandex (Lycra) (in the US) • Fabric weight: 6.78 oz./yd.² (230 g/m²) (in the EU) • Fabric weight: 7.52 oz./yd.² (255g/m²) (in the US/MX) • Soft, stretchy, comfortable, moisture-wicking fabric • Fitted cut • UPF 50+ protection • Premium quality • Fabric is OEKO-TEX 100 standard and Global Recycled Standard (GRS) certified This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!