The BOA Fit System delivers micro-adjustable precision fit engineered to perform in the toughest conditions Lightweight ECCO PHORENE midsole helps to absorb shock and cushion your every step ECCO FLUIDFORM Technology for a fit that follows the shape of your foot and ensures comfort when moving and standing all day Uniquely patterned rubber outsole creates full contact with the ground for excellent traction Crafted from a mix of premium ECCO full grain leather and textile