["BEST USED FOR - Topo Athletic Mens Cyclone 2 is a lightweight speed trainer built for up-tempo daily mileage and racing up to the half marathon distance; created specifically for road running" "COMFORTABLE AND SECURE FIT - Topo Athletic Mens Cyclone 2 speed road runner features a breathable upper which provides secure fit" 5MM DROP - A new 35 x 30 mm platform delivers even more cushioning and protection underfoot with an increased toe sweep for a fast transition and smooth ride; FAST AND RESPONSIVE RIDE - Cyclone 2 features a Pebax Powered midsole which delivers a fast and responsive ride lightweight high performance and superior energy return RELIABLE ROAD RUNNING SHOE - The aggressive rocker design allows for a quick transition through the gait cycle while propelling the runner forward with each stride]