Excellent Condition Madewell Halter Neck Flex Fitness Dress, Black | Size Medium The fabric: engineered with four-way stretch, MWL Flex is supersoft, sweat-wicking and made using recycled materials. The fit: high in front with a low crisscross back, this exercise dress has built-in biker shorts. Made for: tennis, errand-running, low-impact workouts. Double-layered. Built-in biker shorts. Phone/tennis ball pocket. Regular fit. Body length from high point of shoulder: 34 3/4". Sweat-wicking. UPF 40+ excellent sun protection. 79% recycled polyester/21% spandex. Do Well: crafted with polyester recycled from plastic bottles (20, to be exact). Machine wash. Made in Egypt.