Only tried on. There are no particular issues, but please understand that I have pets, so only those who are okay with that, please! Woven part: 65% polyester, 35% cotton. Mesh part: 100% polyester. Size KM (50-53cm) Simple black cap with breathable mesh design. - Brand: THE NORTH FACE - Color: Black - Material: 65% polyester, 35% cotton Thank you for viewing.