Design: Secure lace-up construction for personalized feel Metal hardware featuring speed hooks for faster lacing Weight: 2.65 lbs (size 9) In-Shoe Comfort: 3 mm Neoprene bootie for enhanced comfort Breathable Air mesh lining for increased ventilation Dual-density footbed featuring memory foam for premium cushioning Lightweight EVA midsole for improved shock absorption Antimicrobial bioDEWIX(TM) footbed topcover with NZYM(TM) to control odor and moisture Durability & Traction: Lugged rubber outsole for maximum grip on all-terrain