Whether you"re exploring slot canyons, trail running in the rain, or charging through city street puddles, the Columbia Men"s Powerdrain Cool Water Shoe is your go-to choice for footwear. The Omni-Freeze Zero cooling system is activated by your sweat to provide instant cooling and wicking while the External TPU frame provides ample support for rugged trails. Plus, the cushioned Techlite midsole has water drainage ports to evacuate water when you have to make a dash through a swollen stream. Product FeaturesUpper Material: 3D single layer sandwich meshWaterproofing: Lining: Omni-Freeze ZEROClosure: quick-cinchSole: Omni-Grip Wet GripMidsole: TechliteArch Support: external TPU frame supportFootbed: Heel / Forefoot Height: Weight: (size 9, single) 10.1 ozRecommended Use: trail running, slot canyons, wet conditionsManufacturer Warranty: limited lifetime