Description Step into one of our lightest work boots yet. With our KEEN Luftcell air-injected midsole, the San Jose is especially light. And the unlined waterproof leather upper means no break-in period.Features:KEEN LUFTCELL dual-density PU midsole, infused with air for weightless comfortSipped outsole disperses liquids quickly for increased tractionTPU shank for midfoot supportCleansport NXT⢠for natural odor controlMidsole meets ASTM D471-06 903# oil and isooctane chemical resistance standardsMeets ASTM F1677-96 MARK II non-slip testing standardsMeets ASTM F2913 SATRA non-slip testing standardsMEETS ASTM F2892-11 AND F2892-17 EH standardsSoft ToeMedium DutyWaterproof leather upperOil- and slip-resistant non-marking rubber outsoleDual-density PU midsoleRemovable, metatomical PU footbedWeight: 22.8 oz / 646.4 gCare:We've carefully selected leather uppers designed to last. Then again, if you're wearing your KEENs daily, they won't always be scuff and dirt-free. To treat day to day wear and tear, especially on lighter color leathers, we recommend using a leather cleaner and conditioner, found at most footwear dealers and/or shoe repair shops.