Breathable 4-way stretch fabric: To minimize friction and 4-way stretch to maximize comfort. Widened straps and racerback reduce the pressure when cupping your chest and protect your chest from injury during exercises.High quality breathable material: made of nylon. The fabric is smooth and soft with good coverage. Highly elastic, breathable fabric makes your breasts and curves look amazing. -Fabric provides exceptional moisture wicking, keeping you cool and comfortable.Closure: Pull On93% Nylon, 11% ElastaneBustier< p>Care instructions: Machine washElegant Crisscross Design: These criss-cross althletic bras with strappy back always maintain their perfect shape. Strappy bralettes look very nice with high waist leggings, workout pants or the top with high waist jeans and accessories!