15” pit to pit laying flat *Some deodorant marks from try on. Please see in photos The fabric: engineered with four-way stretch, MWL Flex is supersoft, sweat-wicking and made using recycled materials. The fit: lined with power mesh for extra support, this square-neck sports bra has removable cups and a hidden elastic underband. Made for: low-impact, high-flexibility workouts like pilates or yoga. Light to moderate support: removable cups. Sweat-wicking. UPF 40+ excellent sun protection. 79% recycled polyester/21% spandex. Do Well: crafted with polyester recycled from plastic bottles (7, to be exact). Machine wash. Smoke free home