The marco polo shirt profits from galvin greens cool layering system ventil 8 technology the shirts enjoy an elegant stylish design the ventil 8 fabric will wick moisture away from the body twice as fast as ordinary polyester shirts and benefits from 20 uv protection ventil 8 is technology that galvin green use in their layering concept ventil 8 fabric is amazingly breathable and its moisture wicking properties are excellent the marco with built in anti bacterial properties provides the