KEEP DRY & WARM: This rubber work boot is built with 100% waterproof construction. 5 mm neoprene provides comfort and flexibility, along with excellent waterproofing, shock absorption and heat retention properties. NON-SLIP OUTSOLE: High-traction rubber outsole delivers sure footing in wet, windy, snow, mud, and sticky situations; This sole designs five-way independent shock absorption to help you reach better outdoor performance; steel shank provide stable arch supports. COMFORTABLE: The men's rubber rain boots comes equipped with supportive footbed system to promote noticeable shock resistance and relieve muscle fatigue. Breathable lining keeps you feet dryer, and more comfortable. USER-FRIENDLY DESIGN: Large pull loops and flexible neoprene open collars are easy to grasp and make for pull on and removal. Reflective back heel patch and webbing pull-straps for night visibility. SHOWAVE SERVICE: PLEASE REVIEW THE SIZE CHART TO FIND THE OPTIMAL SIZING. Showave after-sales service will be ready at any time to solve your problem.