Features a flexible forefoot that allows for natural foot movement and toe splay, best running shoes under 100.

Men's Topo Ultrafly 5 :: A personal cheerleader for your feet. Your updated Men's Topo Ultrafly 5 cross-trainer is giving your regimen the lift it needs. Light pronation support? Check! A fresh 30x25 mm platform with an extra 2 mm cushioning? Double-check! The midsole is your gentle guide and the Zipfoam formula? Softer, lighter, and more responsive than ever! Plus, it's eco-chic with a recycled engineered mesh upper (queue the standing ovation!). Step into the cushy OrthoLite footbed and elevate your day with the Ultrafly - it's like walking on air.

The rocker geometry facilitates a smooth heel-to-toe transition, reducing strain on the Achilles and calves, best run training shoes.