Innovative UA SpeedForm technology delivers zero distraction while running. ArmourVent mesh upper delivers true breathability in a light, stretchy, durable, fast-drying fabric. Seamless heel cup with silicone grip for a locked-in, anatomical fit. Smooth, ultrasonic welded seaming with Bemis tape for next-to-skin support & comfort. Molded 4D Foam footbed conforms to your foot's exact shape, eliminating slippage. Full-length Micro G foam turns cushioned landings into explosive takeoffs. TPU curve at midfoot for extra support & stability. High-abrasion anatomical outsole for natural fit and performance. Natural flex grooves for optimal articulation. Offset: 8 mm. Weight: 5.5 oz..