Break records in the 361 degrees Spire 3 running shoes. Breathable textile and synthetic upper. QU!KFOAM midsole, from an EVA rubber blend, provides responsive cushioning, proven to maintain the same high level of energy return and long-lasting comfort throughout the lifetime of the shoe. Fitz-Rite midfoot features soft internal webbing that keeps the foot comfortably secure. Lightweight molded counter keeps the heel comfortably in place. Lace up closure. Pressure-Free Tongue designed to provide comfort and reduced irritation, with thin-padding positioned to avoid stress at the top of the foot. QU!KSPINE carbon fiber plate adds integrity to the midfoot. QU!K Flex 4 Foot engineering provides natural and balanced toe off and enhances ground contact for better acceleration. Full-ground contact outsole with a blown rubber forefoot and carbon rubber heel. Drop: 9mm. Imported. Measurements: Weight: 10 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.