From ECCO, the Men's BIOM® 2.0 BREATHRU Mesh Sneakers feature: BREATHRU performance mesh manages foot moisture and lets your foot breathe Sublime comfort with or without socks, even on the hottest days Speedlace closure system can be quickly and easily adjusted 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 Rubber outsole for traction and durability Imported.