WATERPROOF WORK BOOTS - These work boots with waterproof full grain leather upper feature a waterproof membrane that seals out water and lets moisture escape; reflective details for increased visibility in low light ENDLESS COMFORT - The Moab Timber 8" Thermo Waterproof boots feature 100% recycled mesh lined COMFORTBASE contoured insole for all day comfort, 100% recycled laces and metallic hardware COMFORTBASE TECHNOLOGY - These durable boots with molded nylon arch shank feature COMFORTBASE footbed and midsole technology with rubberized EVA midsole for increased shock absorption and cushion OIL-AND-SLIP RESISTANT OUTSOLE - Merrell sticky oil- and-slip resistant rubber outsole tunes each outsole with durable traction that grips when and where you need it; Mark II tested MERREL AIR CUSHION - An impact-absorbing pod under the heal absorbs shock and adds stability, reducing stress on the foot with each step; air pocket centers heel on impact; mesh lining allows airflow in/out