Product Information SKU: #8555352Train mean with the energy-packed Crazytrain Boost sneaker from adidas?!Textile, synthetic and synthetic suede upper for lightweight flexibility and support.boost™ energy-returning properties keep every step charged with an endless supply of light, fast energy.Highly elastic ENERGYSLING™ element in upper for stability and energy return.Cushioned collar and a breathable mesh tongue. Lace-up closure with molded eyestay.Breathable mesh lining. A cushioned footbed for a great, in-shoe feel.EVA rim around midsole for stability during lateral cuts.High-traction outsole.Imported.Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.Measurements: Weight: 12 oz