Super nice boots. My daughter bought these for me and they are 1/2 a size too small for me, unfortunately! I wore them 3 or 4 times so they are basically new. Non-marking multi-directional lugs for increased traction 4mm multi-directional lugs for traction External stability shank delivers lightweight support Contoured heel lock for a more secure fit KEEN.DRY waterproof, breathable membrane Eco Anti-Odor for natural odor control Environmentally preferred premium leather from LWG-certified tannery PFC-free, durable water repellent Leather and performance mesh upper KEEN.ALL-TERRAIN rubber outsole for higher-traction grip EVA midsole for lightweight cushioning Quick-dry lining for active use Removable PU insole for long-lasting comfort KEEN.DRY A proprietary waterproof, breathable membrane that lets vapor out without letting water in.