adidas Running - adiStar Competition (White/Scarlet/Dark Navy) - Men's: A well-cushioned running shoe designed for under-pronators to neutral runners. Shoes design for racing lightweight construction and materials. Open mesh and synthetic upper. adiPRENE(R) - maximizes heel protection and stability. Shock absorbing material located under the heel, provides extra protection from harmful impact forces. adiPRENE(R) plus maintains forefoot propulsion and efficiency. Elastic material located under the forefoot, retains natural propulsive forces for greater forefoot efficiency. TorSion(R) System creates stability and control. Allows natural rotation between the rear foot and the forefoot, provides midfoot support and improves surface adaptability. ClimaCool(tm) supplies ventilation and moisture management. Creates a cooling effect for entire foot, increased foot breathability, reduces discomfort of moisture build-up and overheating. LightStrike(tm) EVA midsole, QuickStrike(tm) outsole and carbon rubber with heat reflective panel, ClimaCool(tm) mid chassis. Shoe weighs 8oz.