La Sportiva Nucleo High II GTX Waterproof Hiking Boot Black/ Forest Green Men's Size 12 The Nucleo High II GTX offers best-in class breathability in a mid-duty waterproof hiker/backpacking boot. Featuring award-winning Gore-Tex® Surround™ technology with a traditional Nubuck leather look, this hiking boot is the ultimate combination of durability, protection and comfort. • Durable Nubuck leather uppers provide protection while the integrated Nano-Cell™ technology delivers maximum breathability to keep your feet cool • Nano-Cell™ technology works with the ePE Gore-Tex SURROUND® waterproof membranes to enable unprecedented breathability underfoot • Compression-molded midsoles provide superior cushion and support and a noticeable bounce in every stride for all-day comfort • Vibram® Nano outsoles with Impact Brake System™ provide maximum traction and grip on trails 2085-C Good condition.