Design: 2.6 - 2.8 mm water-resistant full grain leather upper Gore-Tex Extended Comfort Footwear lining ensures comfortable waterproof protection Asoflex lasting board ensures appropriate flex and torsional stability while adding underfoot protection Micro Pully System ensures a fast, precise, and customizable lace up In-Shoe Comfort: Dual-density PU midsole provides enhanced support, stability, and cushioning Lite 2 anatomical footbed for all-day comfort Durability & Traction: Triple Power Structure Evo Asolo/Vibram rubber outsole MegaGrip compound provides reliable grip on wet and dry terrain Additional Details: Designed for backpacking with 50-70 pound loads in rugged terrain Excellent for everyday work such as construction, surveyors, warehouse, or delivery workers where support durability, and protection are important Weight: 830g (single shoe, US size 8.5) Contains leather from a tannery rated by the Leather Working Group (LWG) This model can be resoled