Sport bra designed specifically for mountain bike performance Designed with direct input from our women\'s global team, the Women\'s Tecbase Bra features mountain bike specific patterning designed to reduce vertical motion and increase rider comfort. Zoned compression and enhanced construction provide improved support for larger sizes, while the soft, elastic hem reduces chaffing as you ride. Enhanced construction for improved support in larger areas Zoned compression sections offer support focused on reducing vertical motion for increased riding comfort Body-mapped laser perforations on front panel increases airflow keeping you cool Soft hem elastic to reduce chafing Flatlock seams for complete comfort MATERIALS 80% nylon, 20 % spandex