The Nike Shox Turmoil+- running shoe features a mesh upper that adds breathabilty and comfort. Minimal synthetic leather overlays provide added support. Injected TPU tip gives durablity. Six-colum Nike Shox cushioning system in the heel offers impact protection. Compression molded Phylon™ forefoot delivers a smooth flexible ride. BRS 1000™ carbon rubber and solid rubber outsole bring great durability. Nike+ enabled. Wt. 12.2 oz.