Our chest wrap is made of polyester jersey material, (97% polyester 3% spandex) which is soft, micro-stretch, durable, and colorfast. COMFORTABLE TO WEAR: This wrap-around, under wireless cup design, enhances comfort and is easy to clean. FASHIONABLE VERSATILE: Wear it under the chest with a long-sleeved shirt and T-shirt or with a jacket; it’s a very stylish look that will give you a lightweight feel on hot summer days. Great gift: You can take this sweater as a gift to your family, relatives, colleagues, and friends; it is a very good choice. Hand wash can be machine washed, do not soak for a long time, do not bleach, and wash solution temperature should not exceed 45ºC.