Brooks Ghost 18 Running Shoes - Women's Black/Grey/White 6.5. The result is a distraction-free experience so you can focus on making the most of your you time. Features of Brooks Ghost 18 Running Shoes - Women's Nitrogen-infused DNA LOFT v3 offers just-right softness thats lightweight and comfortable. The outsole features lightweight RoadTack rubber which is made using a mix of rubber and recycled silica. Reflectivity on heel collar and lateral heel. The enhanced upper features a new flat knit tongue with a pillowy design to help protect the top of your foot. Package Contents: Brooks Ghost 18 Running Shoes - Women's Brooks 1204821B090.065: Ghost 18 Running Shoes - Women's Black/Grey/White 6.5