Lightweight and ultra-modern, the Under Armour Speedform Apollo Vent lets you go the distance with minimal distractions. Innovative UA SpeedForm® technology for zero distraction. Seamless heel cup with silicone grip for a locked-in, anatomical fit. Smooth ultrasonic weld seaming with Bemis tape for next-to-skin support and comfort. ArmourVent™ mesh for true breathability in a light, stretchy, durable, fast-drying fabric. 4D Foam® footbed for added cushioning and moisture-wicking. Full-length Micro G® foam midsole for cushioning with TPU curve at the midfoot for extra support and stability. 8mm offset. Anatomical design on the outsole for a natural fit and performance. Wt. 5.7 oz.