The San Jose 6 Waterproof Soft Toe Work Boot in Cascade Brown/Black from Keen Utility.Step into one of our lightest soft-toe work boots yet. With our KEEN Luftcell air-injected midsole, the mens San Jose 6-inch is especially light. And the unlined waterproof leather upper means no break-in period.Features KEEN Luftcell: Air-infused, PU midsole for weightless comfortSiped outsole disperses liquids quickly for increased tractionTPU shank for midfoot supportCleansport NXT for natural odor controlMidsole meets ASTM D471-06 903# oil and isooctane