BOOST midsole Imported Lace closure Give in to the noise and let the beat take over. These adidas shoes are so comfortable you'll be able to dance all day and all night. Transparent material gives a futuristic look to the energy-returning BOOST midsole while the sleek style is signature NMD. And if it's not music festival season yet, just pop in your earbuds and make the sidewalk your own personal stage. This shoe's upper is made with a high-performance yarn which contains at least 50% Parley Ocean Plastic - reimagined plastic waste, intercepted on remote islands, beaches, coastal communities and shorelines, preventing it from polluting our ocean. The other 50% of the yarn is recycled polyester.