The Lululemon Define Jacket is a high-performance, stylish athletic outerwear piece designed for active lifestyles and everyday wear. Crafted from the brand’s signature Nulu™ or Luxtreme™ fabric (depending on version), it offers exceptional stretch, softness, and moisture-wicking properties while maintaining sleek silhouette. Key design features include a full-length front zipper with a gold-tone pull tab, two secure zippered hand pockets with matching gold hardware, and articulated seams for enhanced mobility. The jacket has a modern cropped fit, ribbed cuffs, and a clean stand-up collar—ideal for layering over sports bras or light tops. Its minimalist aesthetic, combined with functional details like flatlock stitching and hidden thumbholes in some iterations, makes it versatile across gym, studio, and street settings. Perfect for transitional seasons (spring/fall), it provides light wind resistance without bulk. The black base with contrasting gold zippers adds a luxe sport-chic edge, elevating activewear into fashion-forward territory. Ideal for yoga, pilates, walking, or casual urban outings where comfort meets polish.