The Nucleo High II GTX offers best-in class breathability in a mid-duty waterproof hiker/backpacking boot. Featuring award-winning Gore-TexA(R) Surround(TM) technology with a traditional Nubuck leather look, this hiking boot is the ultimate combination of durability, protection and comfort. Also available in WIDE sizes. Description: a Durable Nubuck leather uppers provide protection while the integrated Nano-Cell(TM) technology delivers maximum breathability to keep your feet coola Nano-Cell(TM) technology works with the ePE Gore-Tex SURROUNDA(R) waterproof membranes to enable unprecedented breathability underfoota Compression-molded midsoles provide superior cushion and support and a noticeable bounce in every stride for all-day comforta VibramA(R) Nano outsoles with Impact Brake System(TM) provide maximum traction and grip on trailsa 3D Flex ankle hinge for enhanced mobilitya Constructed without intentionally added PFASa Available in WIDE a Awards: REI Co-op Editors&'; Choice Award Specs: ITEM: 44JSIZES: Men&';s: 38 - 47.5 (half sizes) a RegularWEIGHT: Men&';s: 16.8 oz / 476 gLACES: 100% Recycled PolyesterUPPER: Nubuck leather/ Nano-Cell(TM) Insert / Vibram Rubber Rand & Toe CapLINING: ePE Gore-TexA(R) Surround(TM)INSOLE: Ortholite Hybrid with 5% recycled rubber + 15% production waste foam / 4mm Woven Polyester ePE Gore-Tex Surround(TM) Spacer / 2.5mm Polypropylene stiffenerMIDSOLE: Compression Molded EVASOLE: VibramA(R) Nano XS-Trek Compound w/ Impact Brake System(TM)CONSTRUCTION: Strobel LastedLAST: Tempo