Description:UPPER: A BREATHABLE MESH UPPER THAT FEATURES STRATEGICALLY PLACED NO-SEW OVERLAYS, A FLYWIRE MIDFOOT PANEL AND NOTCHED INNERSLEEVE FOR COMFORT AND SUPPORT. MIDSOLE: FULL-LENGTH CUSHLON FOAM WORKS WITH A NIKE ZOOM UNIT IN THE HEEL FOR SOFT, RESPONSIVE CUSHIONING AND GREAT FOREFOOT FLEXIBILITY. OUTSOLE: BRS 1000 CARBON RUBBER HEEL WITH AN ENVIRONMENTALLY PREFERRED RUBBER, WAFFLE OUTSOLE THROUGHOUT FOR DURABLE TRACTION. FLEX GROOVES FOR A SMOOTH RIDE. PROFILE: THE CUSHIONING AND RIDE THAT NEUTRAL RUNNERS EXPECT FROM THIS CLASSIC NIKE RUNNING FRANCHISE; WITH AN EVEN BETTER FIT. ~11.2 OZ (M10)