in Open end Yarn construction: 10/ 3 10/ 2 10/ 2= 350gm In Ring x Ring Construction: 10/ 4 10/ 2 10/ 2= 450gm In 20/ 2 fine Yarn Construction: 20/ 2 10/ 3 10/ 2= 450gm Judo/ Bottom fabrics for judo gi' s in Light weight and Heavy weight. Avail able in Grey, White, Bl; ue