Create a liquid flow to your pace with the endurance-ready design and cushioned comfort of the FluidFeel by Montrail. Breathable mesh and synthetic upper. Designed with a snug midfoot and open toebox. 360-degree reflectivity lets you run safely at night. Cushioned footbed for all-day comfort. Full length, compression molded FluidFoam midsole offers comfortable support. Lightweight and smooth-riding blown rubber midfoot and forefoot. Durable rubber outsole with high-abrasion carbon rubber heel and DSP forefoot traction pods providing excellent traction. Measurements: ; Weight: 9 oz ; Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size.