The jacket is made of 550 gsm (gram per square meter) gold weave. Collar is made of EVA-foam to prevent sweat and bacteria absorbing into the collar. Inside ‘You Can’t Teach Heart’ print. Reinforced stitching in the cuffs of the sleeves and pants for stronger grip breaking. The pants are made of 10 oz twill cotton with double reinforced knee areas. Internal flat drawstring. Gi bag included. Belt is sold separately. – Jacket: 550 gsm gold weave. – Pants: 10 oz twill cotton. – YCTH print inside the jacket. – Not IBJJF legal. 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.