The Gravity Mid ankle trekking boots offer high comfort, low weight, flexibility, and excellent cushioning. The GORE-TEX® Surround® membrane ensures high breathability and waterproofness. The lightweight Vibram® Vento midsole allows your feet to breathe in all directions, even through it, while the Vibram® Megagrip rubber outsole provides excellent traction. Inside the boots, you’ll find a removable Ortholite® insole.