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. Description • 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 • 3D Flex™ ankle hinge for enhanced mobility • Constructed without intentionally added PFAS Specs WEIGHT: Men’s: 16.8 oz / 476 g LACES: 100% Recycled polyester UPPER: Nubuck leather / Nano-Cell™ Insert / Vibram® rubber rand and toe cap LINING: ePE Gore-Tex® Surround™ INSOLE: Ortholite® Hybrid™ with 5% recycled rubber + 15% production waste foam / 4mm Woven Polyester ePE Gore-Tex® Surround® spacer / 2.5mm Polypropylene stiffener MIDSOLE: Compression Molded EVA SOLE: Vibram® Nano XS-Trek Compound with Impact Brake System™ CONSTRUCTION: Strobel lasted LAST: Tempo