An inner vest is men's undergarment that is worn under a shirt. These are available with sleeves and without sleeves. The term vest is coined from the French word 'Veste' meaning sports jacket.
People tend to get confused with this term, when they usually search for Vest, the results either show an innerwear which is an inner vest that's worn under the shirt and the other one is worn outside of the shirt and is called a waistcoat.
Inner vest is mostly worn to reduce the transparency of the upper outfit. The other really good thing about wearing a vest inside is that it gives a smooth and neat appearance.
Do not pair different colored vests with a different colored shirt, go for the same one so it looks so seamless and smart. There are few vests that are particularly worn while gymming and doing other athletic activities. You could get your hands on the best gym vests for men right here.
They are quite popular among youth and middle aged men. Especially in a hot climate, this is such a breezy garment to wear and sweat in.