The MasterFly, inspired by the old school, crafted for the new school. Pay tribute to those who came before, the Masters of Jiu Jitsu. The jacket is made of 550 gsm (gram per square meter) gold weave. Large hyperfly embroidery across back. Collar is made of EVA-foam to prevent sweat and bacteria absorbing into the collar. The pants are made of 10 oz canvas with double reinforced knee areas. Icon embroidery on back left pant leg. Large Hyperfly embroidery across front of pants. Gi bag included. Belt is sold separately. – Jacket: 550 gsm gold weave. – Pants: 10 canvas. – YCTH print inside the jacket. This features an old school, traditional cut. We recommend sizing up half a size for a more modern fit, and ideal sleeve length. Please read size guide and washing instructions below. If you have any questions, please contact customer service . Also read the Rebelz Ultimate BJJ Gi Guide for advice and tips.