Speed hooks for easy lace adjustment Removable, dual-density EVA footbed with arch support for all-day comfort Dual-density EVA midsole for lightweight cushioning KEEN.ALL-TERRAIN rubber outsole for higher-traction grip 4mm multi-directional lugs for traction External stability shank delivers lightweight support Injected TPU heel-capture system for stability KEEN.DRY waterproof, breathable membrane Eco anti-odor for freshness