NIKE Men's LunarConverge Running Shoes Textile and Synthetic Imported Synthetic sole Molded indentations in the outsole provide flexibility Minimal no-sew overlays enhances lightweight breathability and seam-free comfort Pods on the forefoot smooth transition and provide nimble flexibility Strategically placed rubber under the heel enhances durability and traction in this high-wear zone Weight: 8.8oz/250g (men's size 10)