The Women's Terrex Boost GTX Trail Running Shoe mixes Adidas running performance with trail worthy protection. Gore Tex Extended Comfort gives reliable waterproofing as well as the high levels of breathability that highly active endeavors call for. A drawcord gives the upper a speedy snug fit. Underfoot, the Terrex features Adidas' Boost midsole for endless energy rebound, and the ProModerator film enhances stability over varied terrain. Continental rubber gives exceptional grip over wet and dry surfaces.