... yarn 2)Siro and Ring spun 3) ratio:30/70,20/80,50/50 ,etc 4)21s,32s,40s,etc Bamboo ... /70siroBamboo charcoal fibre/Modal40s 10/90siroBamboo charcoal / Finland wood pulp40s 20/80siroBamboo charcoal / Finland wood pulp40s 30/70siroBamboo charcoal / Combed cotton32s 50/50siroBamboo ...