Up the style. Up the energy. These BOOST sneakers are responsive and stylish. The soft upper is lined for comfort. It sits atop a BOOST midsole that gives you ultimate comfort with each step. Made with a series of recycled materials, this upper features at least 50% recycled content. This product represents just one of our solutions to help end plastic waste. Regular fit. Lace closure. Mesh, neoprene and suede upper. BOOST midsole. Torsion System.