The Hyperfly CyberFly rashguard is made of 88% polyester and 12% spandex. Material weight is 220 gsm. Hyperfly logo at the chest. Perfect for everyday training. Sublimation printing technology is used to ensure that the print won’t crack or come off. Composition: 88% polyester and 12% spandex. Material weight: 220 gsm. Print technology: Sublimation. Please read size guide and washing instructions below. If you have any questions, please contact customer service . Also read the Rebelz Ultimate No-Gi Guide for advice and tips.