Upgrade your activewear game with these Lululemon Astro Wunder Under crop leggings in size 4. Perfect for travel, yoga, or everyday wear, these leggings feature a blended fabric type with a slimming, compression, and anti-microbial/anti-odor design. The elastic waist and footless design provide comfort and ease of movement, while the key/card pocket adds convenience. With a classic black color and preppy design, these leggings are the perfect addition to any athleisure outfit. The Lululemon Wunder Under product line guarantees quality and durability, making these leggings a great investment for any fitness enthusiast.