I don't know what "core" this top fits into, but it is super adorable. Great under a cardigan or jacket or on its own. Discover the vibrant charm of this J. Crew Factory blouse, featuring a delightful blend of blue and pink hues. Crafted with attention to detail, this top offers a perfect balance of style and comfort. Ideal for both casual outings and special occasions, it effortlessly enhances your wardrobe.