Details Experience the unique, transcendent freedom of superlight trail running. Comfortable, breathable and durable, the Arc'teryx women's Norvan SL 2 - one of the lightest trail running shoes made - moves you with effortless speed and confidence on technical terrain. The hydrophobic, hardwearing TPU mesh upper easily folds down for packability, and the Vibram® Megagrip outsole utilizes LITEBASE technology to deliver durable performance across a range of conditions while shedding every gram possible. Upper Single layer TPU mesh, 0.8mm microfibre heel collar lining, 0.4mm TPU protective film, Medial heel carabiner clip-in point Midsole Integrated sockliner Main - SL EVA / 60 Shore C Anti-Fatigue Insert - SL EVA / 65 Shore C Chassis: Forefoot 0.7mm TPU film Vibram® LITEBASE technology: A revised upper to minimize friction and improve flexibility, a redesigned collar to prevent debris entry, and a more resilient midsole compound. Outsole Vibram® Megagrip Heel 19mm Forefoot 12mm Offset 7mm Width B Weight 145g / 5.2 oz Arc'Teryx Norvan SL 2 Women's