Merrell Bare Access 5
Zero drop and super light, these light trail shoes are great for dry or soft trails for 3 of the 4 seasons.
Here's the Manufacturers Blurb with a little translation.
"Breathable Mesh Upper - Provides a breathable environment, keeping the wearer cool and dry."
The material that's used for the upper is a tight light mesh. At first look it seems too light and I had concerns about durability but it's pretty tough and durable. After 50+ miles and a couple of really wet runs it feels snug and supportive and yes I do feel cool and dry. They don't get too smelly either.
"TPU Overlays - Offering much needed support to key areas."
On top of the fabric is a thicker plasticky material that overlay the mesh and work like straps on the side of shoe. They help to hold the foot in place and keep it secure inside the shoe.