The Under Armour Speedform Apollo Vent Running Shoes feature innovative Speedform technology, which helps to deliver zero distraction throughout your run. delivering an supportive, comfortable fit throughout the shoe utilises a seamless heel cup with a foam collar which provides a locked-in, anatomical fit. Keeping you comfortable on the go with no irritation. Smooth, ultrasonic welded seaming has been used with Bemis tape for next-to-skin support and added comfort. Upper The upper is perforated with an ultrasonic seal to offer durable breathability, keeping you cool, dry and comfortable while you run. The upper features a moulded 4D Foam® footbed conforms to your foot"s exact shape, eliminating slippage and making you more comfortable and supported. Midsole The Micro G® Foam midsole is both cushioned and responsive, attenuating impact shock and transitioning the energy back into an explosive take off. Creating an clean and efficient gait cycle through every stride. A TPU curve at the midfoot offers further support and stability for your foot. Internally a seamless heel cup with silicone grip enables a locked in anatomical fit, again reducing the likelihood of slippage keeping the foot stable and secure throughout your run. Outsole The Outsole possess a striking look, a printed skeletal footbed shows which parts of the feet will touch the ground, anatomically placed this improves your performance but also the natural fit to the shoe. Strategically placed hardened rubber takes impact and improves durability whereas cushioning is given where it"s needed to improve the ride.