Go from pack runner to leader of the pack in the Newton Running shoe. Ideal for racing and training at any distance. Breathable, seamless mesh upper. Asymmetrical lacing system. Welded support straps. High-rebound EVA. Action/Reaction responsive, trampoline-like midsole cushioning protects and loses less energy with each step. Biomechanical metatarsal sensor plate lets the foot sense the ground for a lighter, more efficient stride. Differential: 2 mm High-density rubber at mid-foot. Lightweight EVA heel. Imported. Measurements: Heel Height: 1 1 4 in Weight: 7 oz Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.