Lightweight yet durable, Activator delivers the cushioning and stability you need for long workdays. Built to perform in outdoor conditions, and versatile enough to wear anywhere. Features: -ATS® technology provides lightweight support that helps your foot adapt to uneven surfaces for lasting comfort and stability -VentTEK™ mesh panels in the shaft enhance airflow to help keep you cool and comfortable -All Day Cushioning insole helps provide comfort and support that can be easily removed for cleaning or replacement -Lightweight FLX Foam™ midsole provides responsive cushioning and lasting comfort with every step -Oil- and slip-resisting Duratread™ sole combines lasting durability with flexibility and passes hot contact testing at 300°C/572°F -90° heel helps provide secure footing on ladders, rungs, and uneven surfaces -ASTM F2413 I/C EH SR rated