New With Tags LuLuLemon Nulu Cropped Define Jacket in Medium Forest. Whether you're up for adventure or ready for downtime, this shortened version of our fan-favourite Define Jacket has a feel-good fit that can do it all. Designed for On the Move. Nulu Fabric. So buttery-soft, it feels weightless. Four-way stretch. Sweat-wicking. Breathable. Added Lycra fibre for stretch and shape retention. Slim Fit, Waist Length. Skims your body. Not too short, not too long, just right around the waistband. Secure front pockets. Thumbholes and Cuffins keep sleeves down and chills out. Back vent strategically placed to provide airflow. Locker loop for easy hanging.