Breathable mesh and durable TPU upper with a lace up vamp for optimal fit.Bellow tongue keeps debris out.Breathable mesh lining.M Select™ Fit.Eco and EVA, contoured footbed with organic odor control.Air cushioning in the heel absorbs shock and provides stability.Vibram® MegaGrip outsole for increased traction and stability on wet and dry surfaces.J35787 NAVY