Reebok Women's All Terrain Sprint Running Shoe 100% Synthetic Synthetic sole Strategically placed mesh drainage ports allow water to drain quickly and easily Square, indented lugs provides 360 degree traction while the toe pick helps give you leverage on slippery surfaces Duragrip upper helps provide durability in key wear areas Underfoot rock guard helps protect against sharp/hard objects Mid foot teeth help provide traction and protection on ropes and walls