281.5 grams (9.9 oz) Fresh Foam midsole cushioning is precisely engineered to provide a lightweight ride and superior cushioning Mesh/synthetic upper with zonal TPU fibers for support and protection in high-wear areas Laser perforations for ventilation Bootie vamp construction hugs the foot for a supportive fit Toe Guard technology helps protect the foot from stones, roots and debris Vibram® outsole provides superior support. Vibram® is a registered trademark of VIBRAM S.p.A. All rights reserved. Lace-up closure for a secure fit 8mm Drop - Due to variations created during the development and manufacturing processes, all references to 8mm drop are approximate