adidas outdoor Climacool Boat SL Shoe - Men's Black/White/Silver Metallic 11 Mesh Light, flexible slip-on drains water through the upper and midsole for extremely quick drying Climacool design for 360 degree ventilation during everyday outdoor sports General: Super light product concept Upper: CLIMACOOL open mesh for enhanced breathability Upper: Lightweight open mesh with a stretchable medial part for easy step-in