Atama Single Weave Blue BJJ Gi A classic BJJ Gi from Atama! The Atama Single Weave Blue BJJ Gi is made from 100% cotton Single Weave fabric, lightweight and very, very resistant. Comes with embroidered Atama Jiu Jitsu logo on both sleeves. The pants are reinforced on the knee area to provide extra protection and durability. Approved by the International Brazilian Jiu Jitsu Federation (IBJJF) for use in competition.