Whether you're hitting back and bis or breaking a sweat on the treadmill, the Nike® Train Prime Iron DF cross-training sneaker has the stability and traction you need to power through. This brand is a member of the Sustainable Apparel Coalition.Breathable mesh and synthetic skin overlays provide lightweight support. Flywire integrated into the lacing helps lock the foot down.Lace-up closure. Thin comfort tongue and lightly padded collar. Breathable fabric lining offers a great in-shoe feel. Removable foam insole. Dual-density Phylon midsole promotes a plush, stable ride. Extended sidewalls optimize side-to-side and diagonal stability. Rubber outsole delivers multidirectional traction. Deep forefoot flex grooves allow for a more natural range of motion. Imported. Measurements: Weight: 10 ozProduct measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size.