The Arc'teryx Norvan LD trail running shoe keeps you steady and supported on the trail with its lightweight and durable construction. Trail running performance for all-day comfort on extended trail runs. Single-layer mesh upper is lightweight, durable, and breathable. Light, rugged TPU film overlays protect the forefoot, heel and high abrasion areas. Synthetic toe cap for added protection. Front pull loop. Longwearing 4mm OrthoLite 3D molded insert cradles the foot. Durable EVA/Polyolefin blend midsole provides shock absorption and propulsion. Vibram MegaGrip rubber approach-specific outsole features ergonomically patterned 3.5mm lugs for optimal traction and performance. 9mm heel drop. Imported. Measurements: Weight: 12 oz Product measurements were taken using size 10, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.