Samatra T-shirts & Yoga shorts are spun from the finest , softest cotton which makes them extremely comfortable to wear all through the year . They are styled very exquisitely , and trendy keeping in mind the aesthetics The colours are fast and the prints embedded on the T-shirts do not fade even after 30~40 washes on the washing machine . The designs on the T-shirt are subtle and and pay rich tributes to the teachings and Asanas as propagated by Guruji - BKS Iyengar .