Nltpngtrockport proprietary hydro shield waterproofing technology helps keep feet dry while the adiprene sport technology helps absorb shock and cushions your foot for all day comfort adiprene by adidas footbed provides shock absorption in the heel and flexible forefoot cushioning helps provide push off hydroshield waterproof technology keeps feet completely dry tpr outsole durable shock absorbency to help reduce foot and leg fatigue rockport was the first to engineer performance walking