Heathered upper is light, breathable & extremely stretchable. Seamless internal heel cup for a locked-in, anatomical fit throughout the foot. Smooth, ultrasonic welded seaming with Bemis tape for next-to-skin support & comfort. Firm external heel counter for additional support that keeps the back of the foot in place. Unique tongue construction connects to the upper to stay put & further enhance fit. Molded Micro Gfootbed takes the shape of your foot for great cushioning & fit. Two-piece Charged Cushioningmidsole is firmer below the heel & softer below the forefoot for a blend of support & comfort that‘s built to perform. Rubber outsole provides full ground contact with deep flex grooves for extra flexibility where you need it most. High abrasion rubber added to high wear areas on the heel for increased durability . Weight: 9.8 oz.