Our Phirm™ yoga set (Top & Bottom) is made of polyester fabric (95 polyester+5% spandex) which is breathable, comfortable, and durable. COMFORTABLE TO WEAR: Our yoga vest set provides comfort during training for walking, yoga training, daily exercise, and more. STYLISH VERSATILE: Easy to match with various clothes, simple design but works well with shirts, coats, and dresses, and even wear this yoga tank top as an outing top. Thread process design, good elasticity, texture, and soft fabric, protect your body from friction during exercise. Great for work, yoga, running, high-intensity activities, and more. Hand washable and machine washable, do not soak for a long time, do not bleach, and wash solution temperature should not exceed 45ºC.