- Medium-weight Modal (Birch Tree) Yoga Shorts have a "cut off" look - perfect for all climes. 2x1 RIB extends from the sides up & above the rear-end -- providing exceptional stability & flexibility during strenuous workouts. Stitch detail in bamboo green. An "inside" pocket for your iPod or phone! Luxe draw cord. Perfect 4 all sports including Yoga, Pilates & Tennis.