They haven’t been cleaned, but my daughter only wore them during a week long outdoor camp, but has since grown out of. They have Hoka One One sole inserts for extra comfort. Original Fit has generous space across the forefoot for toes to splay Speed-lace webbing system for comfortably snug fit Foam midsole for lightweight cushioning Removable, resilient foam insole for long-lasting cushioning KEEN.ALL-TERRAIN rubber outsole for higher-traction grip 4mm multi-directional lugs for traction Molded heel-capture system for stability External stability shank delivers lightweight stability KEEN.DRY waterproof, breathable membrane seals out moisture from the inside Environmentally preferred premium leather from LWG-certified tannery for cleaner water Materials Leather and performance mesh upper Quick-dry lining for active use Non-marking multi-directional lugs for increased traction Care Gently brush leather with a soft bristle brush or hand towel to remove loose dirt and debris. Tough stains may require a leather cleaner.