Topo Athletic Men's Road Running Magnifly 3 shoes were updated with an engineered mesh upper, molded foam collar, Ortholite foam footbed, and sweeping toe rocker. The 2-density EVA midsole has a softer top for cushioning/comfort layered with a firmer bottom for response and propulsion.Tech Specs:Weight: 10 oz (M9); Rubber Outsole: 4 mm;Midsole: 16 mm EVA;Footbed: 5 mm;Total Stack Height: 25 mm;Drop: 0 mmDesigned for Road Running Topo's road collection was born from the belief that our bodies are uniquely designed to run with ease and efficiency. However, paved surfaces and concrete can sometimes work against us. Each product in this collection allows you to access varying levels of natural running, while offering additional features to address the repetitive impact and stress from road running. Shoes details:PURPOSE: Best for Road RunningSWEEPING TOE ROCKER: the sole features a longer toe sweep that runs from the metatarsals (ball of the foot) through the toes, to help you roll through the gait cycleMULTI-DENSITY MIDSOLE: Allows you to access two levels of cushioning: soft against the foot and firmer/more responsive against the groundORTHOLITE FOOTBED: Comfortable, anti-compression footbed with anti-microbial properties0MM DROP: engineered with 0mm heel-to-toe drop, encouraging natural loading and foot motion during the gait cycle