The ultra-light Air Pro is the preferred competition gi by elite fighters. New minimalist design and piecing reduces weight without compromising quality and durability, a 350 gsm jacket in a tight pearl weave of all natural Instructor 100% cotton expected of a Instructor competition gi, naturally breathable, comfortable and sure to last. lightweight pants are 60% cotton rich which is naturally breathable, moisture wicking and resists bacteria, then we added polyester in a ripstop weave for durability. Belt not included. This uniform is not IBJJF compliant.