Response Boost Trail ShoesTrail runners with boostâ„¢ for every stride.Classic trail runners, these men's shoes are built to move on everything from gravel roads to steep mountain grades. They have boostâ„¢ in the midsole that puts a spring in your step, a durable upper with a snug, sock-like fit and a grippy off-road Continentalâ„¢ Rubber outsole.boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyTextile upper with synthetic overlays for added supportSock construction for comfortable fit3-Stripes made of seat belt webbingOutsole lugs inspired by mountain bike tiresContinental™ Rubber outsole for optimal grip in wet conditionsImported