Nike Air Relentless 3 - Women'sNeed Speed? With a minimal design and adequate cushioning, the Nike Air Relentless 3 gets you to your finish line faster. Featuring a midfoot TPU panel, the lightweight upper delivers a lockdown fit, which reduces foot slippage so you can focus on your fitness. The Phylite™ midsole teams with an Air-Sole® heel unit to provide an exceptionally smooth, comfortable ride. For versatile traction, the rubber outsole offers BRS 1000™ in the heel and a forefoot Waffle® pattern. Wt. 8.6 oz.