- 2x1 RIB used exclusively to provide style, comfort & sleek contours -- providing unlimited range of motion for strenuous activities like Yoga & Spinning. Hand-made in LA from custom ProModal fabric -- softer yet more durable than cotton & with superior moisture wicking - this tee will last 4 years! Enhanced stitch details around shoulders. Only seam is down center of back with Bamboo green thread. "4" logo mark at top. (S<170; M<190; L<215; XL< 240).