vibrant red Lululemon Define Jacket Size 4 (STAINED) Stain is on sleeve area and lower seam line. No idea what it is. Haven't tried removing it. The vibrant red Lululemon Define Jacket in size 4 is a stylish and functional piece of activewear for women. Made with durable nylon material, this track jacket features the signature Lululemon Define product line. Perfect for outdoor activities or casual wear, this jacket combines fashion and function with its bold color and comfortable fit. Ideal for those looking for a versatile and high-quality addition to their wardrobe.