Etonic - Hybrid (Silver/Metallic Blue/Navy) - Men's: Synthetic leather/mesh uppers for comfort and breathability. Drilex linings transports moisture away from skin to keep feet dry, cool and comfortable. Circulaire technology promotes airflow with ventilated waterproof outsole design and perforated innersoles for maximum breathability and minimal perspiration. ICO-10 from the heel to the forefoot allows for soft heel to toe transition and absorption of impact shock. Visible Dynamic Reaction Plate distributes weight and dissipates shock. Removable footbed with ventilated air ducts. Dual density Evalite midsole for lightweight stability and smooth heel to toe transition. EVERDURE outsole provides high abrasion/high mileage durability. Custom Fit System allows for multiple widths and the ability to accommodate an orthotic device. Trampoline Action Innersole reciprocates energy expended on each step and promote forward motion.