Lululemon Define Jacket Heritage 365 Camo Medium Olive Multi Size 10. Whether you're up for adventure or ready for downtime, our fan-favourite Define Jacket, powered by Luon™ fabric, has a feel-good fit that can do it all. luon® Our sweat-wicking, four-way stretch Luon® fabric is cottony soft—we love this high-performance fabric for its serious stretch and recovery in all our sweaty pursuits sweat-wicking four-way stretch cottony-soft handfeel quick recovery naturally breathable features Designed for: On the Move Lycra®: Added Lycra® fibre for shape retention Thumbholes and cuffins™: Help keep sleeves down and hands warm Secure storage: Secure front pockets to store your essentials Fit : Body Skimming, hip length