UA SC 3ZERO II Shoes Molded maxprene upper with zonal restriction engineered for maximum comfort and breathability. Singular webbed lace system wraps the foot and locks it in. Integrated upper and tongue construction for maximum breathability. Die-cut EVA sockliner provides underfoot cushioning and support. Dual density midsole combines Micro G foam with Charged Cushioning under the heel, for the ultimate blend of soft comfort and explosive energy return. Two-piece outsole built with an extended lateral wrap for traction and containment.