Built for cold, wet weather, the Nike Air Zoom Winflo 4 Shield Men's Running Shoe provides the same smooth step through every mile. Water-repellent lining helps keep your feet dry Durable rubber Waffle-styled tread for multi-surface traction Mesh and durable knit material for a breathable, supportive feel Dynamic Fit system uses Flywire cables for locked-in support Nike Zoom Air unit provides responsive cushioning Sticky rubber on the outsole for improved wet traction New in Box