This is the perfect practice tee, as it requires no special washing instructions and is an easy care poly-cotton blend.  Krishnamacharya is considered to be the "father of modern yoga".  He was one of the most influential yoga teachers of the 20th century and his students included such luminaries as K. Pattabhi Jois, Indra Devi and B.K.S. Iyengar.  This shirt features his photo and one of his quotes, "Discipline Is Remembering What You Want".