BREATHRU performance mesh manages foot moisture and lets your foot breathe,Sublime comfort with or without socks, even on the hottest days,Rubber outsole for traction and durability,Let your foot breathe in the new, high-performance ECCO MEN'S BIOM 2.0 LOW BREATHRU SNEAKER. With the BREATHRU concept and specially engineered mesh uppers that manage moisture, this highly versatile outdoor shoe will keep your foot cool and comfortable. Your foot will activate its natural systems for shock absorption and motion, thanks to ECCO's BIOM® NATURAL MOTION® Technology. For superb energy return, the ECCO BIOM 2.0 is made with the innovative PHORENE™ midsole material.,Ultra-light and soft PHORENE™ midsole material provides rebound and energy return,BIOM® NATURAL MOTION® Technology activates your foot's natural systems for shock absorption and motion,Speedlace closure system can be quickly and easily adjusted