The jacket is made of 550 gsm (gram per square meter) gold weave with double diamond weave skirt. Traditional Judo back-seam for extra support. The pants are made of 8 oz ripstop fabric. Belt is sold separately. – Jacket 550 gsm gold weave . – Double diamond weave skirt. – Pants 8 oz ripstop fabric. 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.