La Sportiva Women's Nucleo II Waterproof High Hiking Boots - The Nucleo High II GTX Women's offers best-in class breathability in a mid-duty waterproof hiker/backpacking boot. Regular Fit Durable Nubuck leather upper Nano Cell™ inserts deliver maximum breathability Gore-Tex® Surround waterproof protection Vibram® Nano XS-Trek sole with impact brake system provides unparalleled traction and grip Impact Brake System 3D Flex ankle hinge for enhanced mobility 4mm Ortholite Insole 4mm Woven Polyester Gore-Tex® Surround™ Spacer lining 2.5mm Polypropylene stiffener Vibram® rubber rand and toe cap Weight: 13.40oz (381g) Compression Molded EVA Style: 24Z-808624