SKU 9601529 Designed for 5k to half-marathon distances, our FuelCell SuperComp Pacer contains Energy Arc technology, a carbon fiber plate and a double-layer springy FuelCell midsole to help propel your strides forward. These racing flats also feature a single-layer engineered mesh upper for breathability and a lightweight feel. The sleek design offers runners a lower stack height racing solution and a snappy ground feel. Synthetic engineered mesh upper for breathability and a lightweight feel. Textile lining and insole. FuelCell foam delivers a propulsive feel to help drive you forward. Sleek tongue construction and a thinner collar provides maximum heel lockdown. Carbon fiber plate. Adjustable lace closure for customized fit. Overall low-stack design provides snappy ground feel for a faster feeling. Synthetic sole. Imported. Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Measurements: Weight: 3 oz View Zappos.com Glossary of Terms New Balance FuelCell SuperComp Pacer