New In Box, 100% Authentic, Firm Price! The Nike Air Max 270 features 270 degrees of visible Max Air Unit in the heel, which gives you premium cushioning. The midsole contains lightweight dual density foam for maximum comfort, and the rubber outsole provides traction and durability. Breathable mesh/synthetic upper. Bootie construction for easy on-and-off. Youth Size 6Y = Women's Size 7.5 Youth Size 6.5Y = Women's Size 8