FEATURES of the Montrail Women's FluidFeel Shoe Full length, compression molded Fluid Foam midsole High-abrasion carbon rubber heel Lightweight and smooth-riding blown rubber midfoot and forefoot DSP forefoot traction pods 360 degree reflectivity SPECIFICATIONS of the Montrail Women's FluidFeel Shoe Midsole: Compression-molded FluidFoam Durometer: 52 Asker C AA3 degrees Ride Height: 18 mm heel, 10 mm forefoot Outsole: Gryptonite, blown rubber, DSP Weight: 8.7 oz / 248 g Toe Counter: Synthetic overlay