Ekouaer Womens Removable Pads for Sports Bra 92% Nylon+8% Lycra Double layer seamless compression and Racer back gives more support Built-in pockets for removable cups; All-day comfort makes it a sleep and leisure bra Lightweight compression helps minimize bounce; Seamless Construction for chafe-resistance and comfort Seamless Wirefree Soprts Bra are made of Nylon & Lycra; Sleek, Stretchy Fabric is Wicking, Breathable; Quick drying; Pullover elastic closure Low-Impact activity Support, Best for yoga, Gym Exercise & Fitness, Walking & jogging & Running, Cycling, Boxing, Bowling, Tenis, etc