NWT! Madewell - Flex Sweetheart Crop Tank Top - Size Small - Black The fabric: engineered with four-way stretch, MWL Flex is supersoft, sweat-wicking and made using recycled materials. The fit: a cropped tank with skinny bungee straps, a ruched sweetheart neckline and built-in shelf bra. The set: try it with the matching skort or your favorite high-rise jeans. UPF 40+ excellent sun protection. Fitted. Crop length: designed to hit low on the ribcage and show a hint of skin. Body length from high point of shoulder: 7 5/8". 79% recycled polyester/21% elastane. Do Well: crafted with polyester recycled from plastic bottles (5, to be exact). Machine wash.