NIKE Women's Jana Star XC 6 Cross Country Shoe Black/Medium Violet/Metallic Silver Synthetic UPPER: Features a thin hydrophobic mesh with graphic application which allows breathability and optimal water shedding benefits. MIDSOLE: Compression-molded Flashlon delivers a lightweight, responsive ride. A molded medial arch adds optimal midfoot support, without unnecessary weight. OUTSOLE: Classic Waffle outsole with six spike receptacles and targeted flex grooves for optimal traction over a variety of surfaces and a smooth transition