Newton Running Women's Boco Sol Running Shoes 8.5 Blue/Pink Synthetic-and-mesh Open Mesh throughout the upper - Is a breathable, quick-drying material. ETC Sockliner - Is designed to reduce underfoot friction and have anti-bacterial properties. Reinforced toe cap - Protects toes against rocks and debris. Reflective heel tab - Increases visibility in low light conditions. Gusseted tongue - Keeps debris from the trail out of the shoe.