Sleeveless Shirt - Buy

You can find various styles at major retailers and specialized athletic brands: Mens Tank Tops & Sleeveless Shirts(199) - Nike

Designed like a T-shirt but without sleeves, often with narrower armholes for athletic activities. buy sleeveless shirt

Specifically for women, these often have thin spaghetti straps and can be worn as undershirts or outerwear. You can find various styles at major retailers