Lululemon Women’s 27” Zoned In Tight Senseknit LW5BBNS Black Size 2.Feel locked and loaded—yet free to move. Developed in our Whitespace™ lab, these run tights use our innovative Senseknit™ technology to engineer sensations on the body. Zoned compression supports your muscles, lets your joints move freely, and keeps the waistband firmly in place. Ventilation is seamlessly integrated throughout—mesh construction around the knees and open-hole vents on your thigh and calf allow airflow.