Mesh upper and rubber sole; Lace-up front; Unpadded tongue; CloudTec® cushioning system engineered for fast runs; Double layer of Helion™ HF hyper foam for energy return; Glass fiber-infused Speedboard® for efficiency and support; Padded heel design for comfort over long distances; Made in Vietnam; Revolve Style No. ONF-MZ627; Manufacturer Style No. 3MF30310438