Technical trails have met their match with Topo Athletic MTN Racer 3 for men. The new update features an increased 33 x 28 mm platform for even more cushioning and protection underfoot, with improved toe sweep for a fast transition and smooth ride.The midsole gets an upgrade with Topo's new ZipFoam™ formula for the perfect balance between soft cushioning and snappy response, while the Vibram® Megagrip outsole you know and love is back to deliver serious traction and grip when the trails get gritty.