Break free and lead the pack in the Blade-Light™ Run by K-SWISS®. Built for the neutral to under-pronator who requires lightweight cushioning. Sleek profile and ultra lightweight design. Combination synthetic leather and mesh upper for breathability. Blade-Light Technology™ is engineered to shave minutes off of your time while training or racing. Flow Cool System™ along the shoe's upper helps to keep you cool and dry. Beneath the sockliner sits a micro layer of SUPERFOAM® that provides soft, pliable support. The midsole is comprised of low density (52d) K-EVA in the GUIDEGLIDE™ format, which provides second stage impact safeguard and natural foot guidance. K-EVA blades are anatomically placed along the outsole and are aligned to the angle of impact and critical flex points for a feather-light, ultra-cushioned and unbelievably flexible ride. Measurements: ; Weight: 10 oz ; Product measurements were taken using size 8, width D - Medium. Please note that measurements may vary by size.