Waterproof leather and textile uppers with KEEN.DRY membranes offer waterproof/breathable protection PFC-free durable water repellent (DWR) provides the first layer of defense against moisture Breathable mesh linings help moisture escape Cleansport NXT™ offers odor control using probiotic technology Bungee lace capture system provides a secure fit Padded tongue and collar for comfort TPU heel-capture system for stability Nonmarking rubber outsoles