Mammut Nova II GTX Women's Mid Boot are very lightweight and comfortable. They are designed with the top-grade and refined nubuck leather with a soft shell additions. Mammut developed the board lasted vibram Frog Grip sole which is incredibly light, soft and grippy. The Nova II GTX mid boot is highly breathable, waterproof and made with a Gore-Tex® fabric Performance Comfort Footwear membrane and the smooth running nylon webbing laces. The Memo Foam in the lining and the footbed (3D Memo Foam) gives you a fantastic feel on your great outdoors activities.