TWILL FABRIC The Arashi Gi 2.0 in Japanese storm is our premium gi, the ONI depicted in it are Raijin god of Thunder and Fujin god of wind and storm. These Oni are used for the protection of temples in Japanese tradition and we thought they could protect your “battle armor” too. Pants – 10oz Twill 100% Cotton 100% traditional ji jitsu federation – LEGAL The kimonos has a cut designed and tested during the various years of activity which guarantees extraordinary comfort without leaving extra fabric for the opponent to grab.