Prolific Health Fitness Power Flex Yoga Pants Leggings XS - XXXL Please note that these are compression leggings and are made to hold your body tight for a fast workout recovery therefore feel/run a size smaller. Reducing the time taken for muscles to repair themselves Helping relieve pain from muscle stiffness and soreness When the right amount of compression is used (will vary depending on body area), Improving venous return and oxygenation to working muscles