For a snug, secure fit, lace up the Under Armour Threadborne Slingflex. Promising strength without weight, the Slingflex features a Threadborne upper for a snug, compression fit that hugs the foot like a sock. Dyneema fibers woven through the upper provide lightweight strength without adding unnecessary bulk or weight to slow you down. The Slingflex also delivers an ultra-responsive ride perfect for running or all-day wear, thanks to Under Armour's Charged Cushioning platform. This dual-density midsole combines layers of soft and dense foam to absorb impact and return energy with every step. The Under Armour Threadborne Slingflex looks as good as it feels, making it your new go-to running partner. Threadborne upper with Dyneema fibers woven throughout delivers a breathable, compression fit that moves with you as you run. Internal heel counter holds the foot firmly in place. Molded Micro G sockliner conforms to the shape of your foot for a custom fit. Two-piece Charged Cushioning midsole combines a top layer of plush foam over a denser base for the perfect pairing of comfort and responsiveness. Solid rubber in high-wear areas of the outsole for durable traction where you need it most. Wt. 10.2 oz.