Under Armour Men's UA Highlight Delta Running Shoes Synthetic Imported Breathable mesh fabric with seamless construction is both lightweight & durable Molded heel cup offers a form-fit that keeps the foot from sliding Ribbed ankle collar provides a snug, bootie-like fit with an extended cut & unparalleled support Soft foam inside ankle collar stays comfortable against inside of heel & ankle Lacing system features deeply cut eyestays built to move freely with the foot