Flamingo chest guard OC 2048 is designed for bike riding. It helps avoid the strong wind hitting the chest region, protection from cold which can result in chest congestion. It is made up of nylon and polyester and does not feel heavy on the body. You can easily wear it under your clothes and it doesn’t feel uncomfortable. Sleeveless and is very useful for winters u can. It is unisexual which means that women can also wear it.