The Lululemon Define Jacket is a popular choice among women for its stylish design and high-quality performance. Made with Lululemon's signature Luon fabric, this turtleneck activewear vest offers four-way stretch, moisture-wicking properties, and a soft feel against the skin. The slim fit and thumbholes provide a secure and comfortable fit, while the turtleneck collar adds extra warmth. Whether you're practicing yoga or going for a run, this vest will keep you looking and feeling great.