Lightweight, supportive GORE-TEX shoe for lasting comfort on extended trail runs. All seasons, any distance – the Norvan LD 3 GTX is made to run all year. The upper has GORE-TEX protection for breathable comfort in the wettest conditions. The dual-layer internal construction minimizes friction, the toebox is sized to accommodate splay, and the heel and forefoot stack absorbs shock. Advanced materials – Vibram® Litebase sole, InFuse® midsole – shed grams, and the grippy Vibram® Megagrip outsole has an aggressive 4mm lug pattern for confident bite on muddy trails. Updated with a PFCec-Free DWR (Durable Water Repellent) treatment. Full Product Features Technical Features - Breathable - Lightweight - Durable - Abrasion resistant - Trail running performance for all day comfort on extended trail runs Footwear Construction - Durable EVA/Polyolefin blend midsole provides shock absorption and propulsion - Single layer mesh upper is lightweight, durable, and air-permeable - Toe cap adds protection and abrasion resistance - GORE-TEX provides waterproof and breathable performance - Ariaprene® foam tongue - InFuse™ midsole (42 Shore C), Anti-Fatigue Insert - 85% Footwear Geometry - 4mm lugs - Footwear Width: Standard - Drop (Stack): 6mm (29mm : 23mm) Footwear Liner Construction - 3D molded, Ion Element 100% recycled EVA (closed cell) by Dynamic Foam (4.5mm) Footwear Outsole Construction - Vibram® MegaGrip™ rubber compound is durable and grippy - Vibram® LiteBase Materials - Lining: Textile - Insole: Textile - Outsole: Rubber