The Fastpack Waterproof Shoes are engineered with DREAM midsole foam for an enhanced underfoot experience and updated SURFACE CTRL™ outsoles, which provide durability and traction in wet conditions. abrasion-resistant ripstop upper with seamless TPU reinforcements waterproof DRYVENT™ membrane mudguard and reinforced toe cap comfort-focused padded collar and tongue molded-heel chassis heel-pull webbing full-length ultralight DREAM foam midsole wider underfoot platform SURFACE CTRL™ SC2 rubber outsole with lugs