Under Armour Men's HAW 2.0 Hiking Boot 100% Ethylene Vinyl Acetate Imported Rubber sole Waterproof, full clad rubber upper is light & extremely durable Air mesh interior lining increases airflow within the boot Reinforced rubber toecap for added protection & durability Molded EVA midsole provides lightweight cushioning & extended wear Anti-odor technology applied to molded Ortholite sockliner to prevent the growth of odor-causing microbes