Columbia drainermaker iii trainers mens designed for waterside activities these columbia drainermaker iii trainers feature numerous drainage ports in the heel and forefoot to drain water fast they are lightweight and include a mesh upper lace up fastening padded ankle collar and tongue cushioned insole siped lugs for increased traction on wet surfaces a techlite midsole for superior cushioning and high energy return and omni grip non marking wet grip outsole mens trainers lace