Jason Wu's activewear collection includes a variety of stylish and functional pieces, including tank crop tops that offer flexibility, versatility, and comfort. While I couldn't find an exact match for a mauve-colored tank crop top with built-in padded bra, four-way stretch, and a composition of 74% nylon and 26% spandex, I can share some general features you might find in his activewear: Flexibility and Versatility: Jason Wu's activewear is designed to provide ease of movement and adaptability for various activities, from workouts to casual wear. Four-Way Stretch: Many of his pieces are made with materials that offer four-way stretch, ensuring a comfortable and flexible fit. Built-In Padded Bra: Some of his tops may include built-in padded bras for added support and convenience. High-Quality Materials: Jason Wu's activewear often features a blend of nylon and spandex, providing durability, comfort, and performance. Lasting Material: The materials used are designed to withstand regular wear and maintain their shape and quality over time.