The new version of our MTN Trainer is designed for alpine approaches and mountain activities. It features a rugged upper for optimal durability, while the GORE-TEX Extended Comfort lining keeps you dry and comfortable no matter what adventure you plan next. The unique construction features specialized lasts to provide a perfect fit and an optimal combination of flexibility and support. In addition, this shoe features our proprietary 3F system that connects the upper, sole and heel. Inside the shoe is a shock-absorbing EVA midsole for durable rebound. It also features a flexible ankle shank and rubber toe cap for added protection.