Benefit of Boost Cushioning with Moderate Support & Mesh Upper. Colour:Core Black / Solar Red With the boost™ energy-returning midsole underfoot, the adidas Revenergy shoes electrify your step. The mesh upper of this men's running shoe is lightweight and breathable, making for one plush ride. Weight: 305 g (size UK 8.5) boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energy Breathable mesh upper with synthetic overlays miCoach compatible External heel counter for maximal heel fit and running comfort Grippy rubber outsole