<p>The Nike Shox R4 "Metallic Silver/Black" Men's Shoe delivers responsive cushioning through four support columns under the heel. A lightweight synthetic and textile upper offers soft durability.</p><p>Perforations near the toes and ankle enhance breathability and maintain a fresh feel. The columns help absorb impact and return energy to each step, reinforcing the shoe’s responsive design. The durable upper withstands daily wear without losing shape.</p> <ul><li><b>Nike Shox Cushioning:</b> Absorbs impact under the heel and transfers it to the forefoot.</li><li><b>Nike Air Technology:</b> Combines Nike Air technology with Phylon foam to deliver flexible cushioning.</li><li><b>Rubber Modified-Waffle Outsole:</b> Provides reliable traction on varied surfaces.</li><li><b>Foam Midsole:</b> Adds lightweight, responsive support.</li><li><b>Rubber Outsole:</b> Ensures durable, grippy performance.</li></ul>