Yes, Microfiber can be considered breathable, but it is not as breathable as natural fibers like cotton or wool. Microfiber is made from synthetic fibers, which are less porous than natural fibers, and as a result, air does not flow through the fiber as easily as most natural fibers.
However, the breathability of Microfiber is improved through unique technologies, such as the addition of breathable membranes or the use of microfiber fabrics specially designed to be more porous.
For example, some microfiber fabrics are treated with a finish that allows air to circulate through the fabric, helping to reduce moisture buildup and keep the wearer cool and comfortable.
It's worth noting that the breathability of Microfiber can also depend on the type of Microfiber and the type of garment it is used in.
For example, a microfiber sports shirt designed for high-performance activities will likely be more breathable than a microfiber blanket designed for use on a bed.
While Microfiber is not as breathable as natural fibers, it is still considered a good choice for many applications, particularly in situations where its moisture-wicking properties and ease of care are essential.