Longchamp Ladies Shoulder Bag. SKU: 10224HDS018. Longchamp Smile S Crossbody Bag. This bag effortlessly transitions from day to night. Its contrasting strap offers a sporty daytime look, while the removable chain strap provides a chic evening option. Crafted from natural grain cowhide leather, it features a zipper adorned with a jewel of the rider, blending trendy and unique styles.